{"id":38,"date":"2023-01-12T13:20:00","date_gmt":"2023-01-12T13:20:00","guid":{"rendered":"https:\/\/pythonpower.in\/index.php\/2023\/01\/12\/working-with-django-forms\/"},"modified":"2023-01-12T13:20:00","modified_gmt":"2023-01-12T13:20:00","slug":"working-with-django-forms","status":"publish","type":"post","link":"https:\/\/pythonpower.in\/index.php\/2023\/01\/12\/working-with-django-forms\/","title":{"rendered":"Working With Django Forms"},"content":{"rendered":"<\/p>\n
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Django Forms:
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1) It is the very important concept in web development.
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2) The main purpose of forms is to take user input.
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   Eg: <\/span>login form, registration form, enquiry form etc
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3) From the forms we can read end user provided input data and we can use that data
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   based on requirement. We may store in the database for future purpose. We may use
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   just for validation\/authentication purpose etc
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4) Here we have to use Django specific forms but not HTML forms.
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Advantages of Django Forms over HTML Forms:
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1) We can develop forms very easily with python code
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2) We can generate HTML Form widgets\/components (like textarea, email, pwd etc) very
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   quickly
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3) Validating data will become very easy
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4) Processing data into python data structures like list, set etc will become easy
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5) Creation of Models based on forms will become easy etc. <\/span><\/p>\n


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Process to generate Django Forms:
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Step-1: <\/span>Creation of forms.py file in our application folder with our required fields.<\/span><\/p>\n

forms.py:<\/span><\/p>\n

               1) from django import forms<\/b><\/span><\/p>\n

               2) class StudentForm(forms.Form):<\/b><\/span><\/p>\n

               3)         name =  forms.CharField()<\/b><\/span><\/p>\n

               4)         marks = forms.IntegerField()<\/b><\/span><\/p>\n<\/p>\n

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Note: <\/span>name and marks are the field names which will be available in html form<\/span><\/p>\n

Step-2: <\/span>usage of forms.py inside views.py file:<\/span><\/p>\n

views.py file is responsible to send this form to the template html file<\/span><\/p>\n


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views.py:<\/span><\/span><\/p>\n

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             1) from <\/span>django .shortcuts <\/span>import <\/span>render<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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             2) <\/span>from <\/span>.<\/span>import <\/span>forms<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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<\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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            3) <\/span>#Create your views here.<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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           4) <\/span>def <\/span>studentinputview(request):<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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           5)         <\/span>form=forms.StudentForm()<\/span><\/p>\n

           6)          <\/span>my_dict={<\/span>‘form’<\/span>:form}<\/span><\/p>\n

           7)          <\/span>return <\/span>render(request,<\/span>‘testapp\/input.html’<\/span>,<\/span><\/p>\n

                                               context=my_dict)<\/span><\/p>\n


<\/span><\/p>\n<\/p><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Alternative Short Way: <\/span><\/span><\/p>\n\n\n\n\n\n
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           1)def <\/span>studentinputview(request):<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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           2        <\/span>form=forms.StudentForm()<\/span><\/p>\n

           3) <\/span>         <\/span>return <\/span>render(request,<\/span>‘testapp\/input.html’<\/span>,<\/span><\/p>\n

                                               form=form)<\/span><\/p>\n


<\/span><\/div>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Note: <\/span>context parameter is optional.We can pass context parameter value directly
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without using keyword name ‘context’<\/span><\/p>\n

Step-3: <\/span>Creation of html file to hold form:<\/span><\/p>\n


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            . <\/b>Inside template file we have to use <\/span><\/p>\n

               template tag to inject form {{form}}<\/span><\/p>\n


<\/span><\/p>\n

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            <\/span>. <\/b>It will add only form fields. But there <\/span><\/p>\n

              is no <form> tag and no submit button.<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

            <\/span>. <\/b>Even the fields are not arranged properly.<\/span><\/p>\n

              It is ugly form.<\/span> <\/span><\/p>\n


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We can make proper form as follows<\/span><\/span><\/p>\n

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           1) <\/span><h1><\/span>RegistrationForm<\/span><\/h1><\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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           2) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>“center”<\/span>><\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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           3) <\/span><form <\/span>method<\/span>=<\/span>“post”<\/span>><\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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          4) <\/span>{{form.as_p}}<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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          5) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>class<\/span>=<\/span>“btn btn-primary” <\/span><\/p>\n

              name<\/span>=<\/span>“” <\/span>value<\/span>=<\/span>“Submit”<\/span>> <\/span>6) <\/span><\/form><\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n

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          7) <\/span><\/div><\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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input.html:<\/span><\/span><\/p>\n

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       1) <\/span><!DOCTYPEhtml<\/span>>
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       2) <\/span>{%loadstaticfiles%}
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       3) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
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       4) <\/span><head>
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       5) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
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       6) <\/span><link <\/span>rel<\/span>=<\/span>“stylesheet” <\/span><\/p>\n

             href<\/span>=”{%static “<\/span>css<\/span>\/bootstrap.css”%}”<\/span>>
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       7) <\/span><link <\/span>rel<\/span>=<\/span>“stylesheet” <\/span><\/p>\n

             href<\/span>=”{%static “<\/span>css<\/span>\/demo2.css”%}”<\/span>>
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       8) <\/span><title><\/title>
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       9) <\/span><\/head>
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      10) <\/span><body>
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      11) <\/span><h1><\/span>Registration Form<\/span><\/h1>
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      12) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>“center”<\/span>>
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      13) <\/span><form <\/span>method<\/span>=<\/span>“post”<\/span>>
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      14) <\/span>{{form.as_p}}<\/span><\/p>\n

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     15) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>class<\/span>=<\/span>“btn btn-primary” <\/span><\/p>\n

            <\/span><\/span>name<\/span>=<\/span>“” <\/span>value<\/span>=<\/span>“Submit”<\/span>><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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     16) <\/span><\/form>
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    18) <\/span><\/body>
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    19) <\/span><\/html>
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\n\t\t<\/div>\n

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If we submit this form we will get 403 status code response
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Forbidden (403)
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CSRF verification failed. Request aborted.
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Help
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Reason given for failure:
                    CSRF token missing or incorrect.<\/span><\/p>\n


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CSRF (Cross Site Request Forgery) Token:<\/span><\/p>\n

.<\/b> Every form should satisfy CSRF (Cross Site Request <\/p>\n

  Forgery) Verification, otherwise Django won’t accept our form.<\/p>\n

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. <\/b>It is meant for website security. Being a programmer we <\/p>\n

 are not required to worry. anything about this. Django <\/p>\n

  will takes care everything.<\/p>\n

<\/p>\n

. <\/b>But we have to add csrf_token in our form.<\/p>\n


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   1) <\/span><h1><\/span>RegistrationForm<\/span><\/h1>
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   2) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>“center”<\/span>>
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   3) <\/span><form <\/span>method<\/span>=<\/span>“post”<\/span>>
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   4) <\/span>{{form.as_p}}
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   5) <\/span>{% csrf_token %}
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   6) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>class<\/span>=<\/span>“btn btn-primary” <\/span><\/p>\n

       name<\/span>=<\/span>“” <\/span>value<\/span>=<\/span>“Submit”<\/span>>
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   7) <\/span><\/form>
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   8) <\/span><\/div>
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. <\/b>If we add csrf_token then in the generate form the <\/span><\/p>\n

 following hidded <\/span>field will be. <\/span>added,which makes our post request secure<\/span><\/p>\n<\/div>\n<\/div>\n

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.  <\/b><input type=’hidden’ name=’csrfmiddlewaretoken’
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    value=’1ZqIJJqTLMVa6RFAyPJh7pwzyFmdiHzytLxJIDzAkKULJz4qHcetLoKEsRLwyz4h’\/><\/span><\/p>\n

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.  <\/b>The value of this hidden field is keep on changing from <\/span><\/p>\n

   request to request.Hence it is  <\/span>impossible to forgery of our request.<\/span><\/p>\n<\/div>\n<\/div><\/div>\n

.  <\/b>If we configured csrf_token in html form then <\/span><\/p>\n

   only django will accept our form.<\/span> <\/span><\/p>\n

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How to process Input Data from the form inside views.py File:<\/span><\/p>\n

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We required to modify views.py file. <\/span><\/p>\n

The end user  <\/span>provided input is available <\/span><\/p>\n

in a <\/span>dictionary named with ‘cleaned_data’<\/span> <\/span><\/p>\n


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views.py:<\/span><\/span><\/p>\n

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      1) <\/span>from <\/span>django .shortcuts <\/span>import <\/span>render
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      2) <\/span>from <\/span>.<\/span>import <\/span>forms
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      3)
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      4) <\/span>#Create your views here.
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      5) <\/span>def <\/span>studentinputview(request):
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      6)      <\/span>form=forms.StudentForm()
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      7)      <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
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      8)     <\/span>form=forms.StudentForm(request.POST)
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      9)     <\/span>if <\/span>form.is_valid():
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     10)   <\/span>print<\/span>(<\/span>‘Form validation success and printing data’<\/span>)
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     11)   <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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    12)   <\/span>print<\/span>(<\/span>‘Marks:’<\/span>,form.cleaned_data[<\/span>‘marks’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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    13)   <\/span>return <\/span>render(request,<\/span>‘testapp\/input.html’<\/span>,<\/span><\/p>\n

           {<\/span>‘form’<\/span>:form})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

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Student Name and Marks Submission Form Project (formproject1):<\/span><\/p>\n


<\/span><\/p>\n<\/p>\n

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forms.py <\/span><\/span><\/p>\n<\/p>\n

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        1) <\/span>from <\/span>django <\/span>import <\/span>forms
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        2) <\/span>class <\/span>StudentForm(forms.Form):
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        3)          <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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        4)          <\/span>marks=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

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views.py <\/span><\/span><\/p>\n

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      1) <\/span>from <\/span>django .shortcuts <\/span>import <\/span>render
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      2) <\/span>from <\/span>testapp .forms <\/span>import <\/span>StudentForm
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      3) <\/span>#Create your views here.
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      4) <\/span>def <\/span>student_input_view(request):
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     5)       <\/span>sent=False
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     6)       <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
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     7)           <\/span>form=StudentForm(request.POST)
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     8)          <\/span>if <\/span>form.is_valid():
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     9)          <\/span>print<\/span>(<\/span>‘Form Validation Success and printing data’<\/span>)
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    10)         <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
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    11)         <\/span>print<\/span>(<\/span>‘Marks:’<\/span>,form.cleaned_data[<\/span>‘marks’<\/span>])
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    12)       <\/span>sent=True
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    13)     <\/span>form=StudentForm()
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    14)     <\/span>return <\/span>render(request,<\/span>‘testapp\/input.html’<\/span>,{<\/span>‘form’<\/span>:form,<\/span>‘sent’<\/span>:sent})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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input.html <\/span><\/span><\/p>\n

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      1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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      2) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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      3) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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      4) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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     5) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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     6) <\/span><!– Latest compiled and minified CSS –>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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     7) <\/span><link<\/span>rel<\/span>=<\/span>“stylesheet”<\/span>href<\/span>=<\/span>“https:\/\/maxcdn.bootstrap<\/span><\/p>\n

cdn.com\/bootstrap\/3.3.7\/cs<\/span>s\/bootstrap.min.css” <\/span>integrity<\/span>=<\/span>“sha384-<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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+PmSTsz\/K68vbdEjh4u” <\/span>c<\/span>rossorigin<\/span>=<\/span>“anonymous”<\/span>><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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        <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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     8) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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    9) <\/span><body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   10) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>‘center’<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   11) <\/span>{% if sent %}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   12) <\/span><h1><\/span>Thanks for Providing Information<\/span><\/h1>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   13) <\/span><h2><\/span>Enter Next Student Marks<\/span><\/h2>
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   14) <\/span>{%else%}
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   15) <\/span><h1><\/span>Student Marks Submit Form<\/span><\/h1>
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   16) <\/span>{%endif%}<\/span><hr><\/span><\/p>\n

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   17) <\/span><form <\/span>method<\/span>=<\/span>‘POST’<\/span>>
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   18) <\/span>{{form.as_p}}
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   19) <\/span>{%csrf_token%}
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   20) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>name<\/span>=<\/span>“” <\/span>class<\/span>=<\/span>‘btn btn-lg <\/span><\/p>\n

         <\/span>btn- primary’ <\/span>value<\/span>=<\/span>“Submit Marks”<\/span>><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   21) <\/span><\/form>
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   22) <\/span><\/div>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   23) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   24) <\/span><\/html>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

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thankyou.html <\/span><\/span><\/p>\n

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   1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   2) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   3) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   4) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   5) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   6) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   7) <\/span><body>
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   8) <\/span><h1><\/span>Thanks for providing your Name and Marks<\/span><\/h1>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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  9) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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  10) <\/span><\/html>
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\n\t\t<\/div>\n

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urls.py <\/span><\/span><\/p>\n<\/p>\n

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  1) <\/span>from <\/span>django .conf .urls <\/span>import <\/span>url
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  2) <\/span>from <\/span>django .contrib <\/span>import <\/span>admin
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  3) <\/span>from <\/span>testapp <\/span>import <\/span>views
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  4)
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  5) <\/span>urlpatterns=[
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  6) <\/span>url(r<\/span>‘^admin\/’<\/span>, admin.site.urls),
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  7) <\/span>url(r<\/span>‘^input\/’<\/span>, views.student_input_view),
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  8) <\/span>]
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\n\t\t<\/div>\n

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Student FeedBack Form Project<\/span><\/p>\n

forms.py:<\/span> <\/span><\/span><\/p>\n

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   1) <\/span>from <\/span>django <\/span>import <\/span>forms
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   2)
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  3) <\/span>class <\/span>FeedBackForm(forms.Form):
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  4)           <\/span>name=forms.CharField()
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  5)           <\/span>rollno=forms.IntegerField()
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  6)          <\/span>email=forms.EmailField()
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  7)         <\/span>feedback=forms.CharField<\/span><\/p>\n

             (widget=forms.Textarea) <\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

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views.py <\/span><\/span><\/p>\n

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   1) <\/span>from <\/span>django .shortcuts <\/span>import <\/span>render
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   2) <\/span>from <\/span>testapp .forms <\/span>import <\/span>StudentForm
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   3) <\/span>#Create your views here.
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   4) <\/span>def <\/span>student_input_view(request):
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   5)      <\/span>sent=False
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   6)       <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
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   7)          <\/span>form=StudentForm(request.POST)
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   8)          <\/span>if <\/span>form.is_valid():
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   9)            <\/span>print<\/span>(<\/span>‘Form Validation Success and printing data’<\/span>)
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  10)          <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
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  11)          <\/span>print<\/span>(<\/span>‘Marks:’<\/span>,form.cleaned_data[<\/span>‘marks’<\/span>])
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  12)         <\/span>sent=True
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  13)     <\/span>form=StudentForm()
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  14)     <\/span>return <\/span>render(request,<\/span>‘testapp\/input.html’<\/span>,<\/span><\/p>\n

                                 {<\/span>‘form’<\/span>:form,<\/span>‘sent’<\/span>:sent})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

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input.html <\/span><\/span><\/p>\n

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    1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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    2) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   3) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   4) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   5) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   6) <\/span><!– Latest compiled and minified CSS –>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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   7) <\/span><link<\/span>rel<\/span>=<\/span>“stylesheet”<\/span>href<\/span>=<\/span>“https:\/\/maxcdn.<\/span><\/p>\n

        <\/span>bootstrapcdn.com\/bootstrap\/3.3.7\/cs<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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       s\/bootstrap.min.css” <\/span>integrity<\/span>=<\/span>“sha384-
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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      BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va<\/span><\/p>\n

     +PmSTsz\/K68vbdEjh4u” <\/span>c<\/span>rossorigin<\/span>=<\/span>“anonymous”<\/span>><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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      <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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  8) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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  9) <\/span><body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 10) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>‘center’<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 11) <\/span>{% if sent %}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 12) <\/span><h1><\/span>Thanks for Providing Information<\/span><\/h1>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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\n
\n

 13) <\/span><h2><\/span>Enter Next Student Marks<\/span><\/h2>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 14) <\/span>{%else%}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 15) <\/span><h1><\/span>Student Marks Submit Form<\/span><\/h1>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 16) <\/span>{%endif%}<\/span><hr><\/span><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 17) <\/span><form <\/span>method<\/span>=<\/span>‘POST’<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 18) <\/span>{{form.as_p}}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 19) <\/span>{%csrf_token%}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 20) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>name<\/span>=<\/span>“” <\/span>class<\/span>=<\/span>‘btn btn-lg <\/span><\/p>\n

        btn-
\nprimary’ <\/span>value<\/span>=<\/span>“Submit Marks”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 21) <\/span><\/form>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 22) <\/span><\/div>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 23) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 24) <\/span><\/html>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

thankyou.html <\/span><\/span><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7) <\/span><body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8) <\/span><h1><\/span>Thanks for providing your Name and Marks<\/span><\/h1>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 9) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 10) <\/span><\/html>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

\n
\n
\n
\n

urls.py<\/span><\/span><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span>from <\/span>django .conf .urls <\/span>import <\/span>url
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2) <\/span>from <\/span>django .contrib <\/span>import <\/span>admin
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3) <\/span>from <\/span>testapp <\/span>import <\/span>views
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5) <\/span>urlpatterns=[
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6) <\/span>url(r<\/span>‘^admin\/’<\/span>, admin.site.urls),
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7) <\/span>url(r<\/span>‘^input\/’<\/span>, views.student_input_view),
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8) <\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

Student FeedBack Form Project<\/span><\/p>\n

forms.py:<\/span> <\/span><\/span><\/p>\n

\n\n\n\n\n\n\n\n\n
\n
\n
\n

  1) <\/span>from <\/span>django <\/span>import <\/span>forms
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

  2)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

  3) <\/span>class <\/span>FeedBackForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

  4)         <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

  5)         <\/span>rollno=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

  6)        <\/span>email=forms.EmailField()<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n
\n

  7) <\/span>feedback=forms.CharField(widget=forms.Textarea)<\/span><\/p>\n


<\/span><\/p>\n<\/p>\n

\n
\n
\n

views.py
\n<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span>from <\/span>django .shortcuts <\/span>import <\/span>render
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2) <\/span>from import <\/span>forms
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4) <\/span>def <\/span>feedbackview(request):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5)      <\/span>form=forms.FeedBackForm()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6)      <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7)         <\/span>form=forms.FeedBackForm(request.POST)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8)         <\/span>if <\/span>form.is_valid():
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 9)            <\/span>print<\/span>(<\/span>‘Form Validation Success and printing information’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 10)          <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 11)          <\/span>print<\/span>(<\/span>‘Roll No:’<\/span>,form.cleaned_data[<\/span>‘rollno’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 12)          <\/span>print<\/span>(<\/span>‘Email:’<\/span>,form.cleaned_data[<\/span>’email’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 13)          <\/span>print<\/span>(<\/span>‘FeedBack:’<\/span>,form.cleaned_data[<\/span>‘feedback’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 14)       <\/span>return <\/span>render(request,<\/span>‘testapp\/feedback.html’<\/span>,{<\/span>‘form’<\/span>:form})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

feedback.html
\n<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2) <\/span>{%loadstaticfiles%}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6) <\/span><link <\/span>rel<\/span>=<\/span>“stylesheet” <\/span>href<\/span>=<\/span>“https:\/\/maxcdn.<\/span><\/p>\n

     bootstrapcdn.com\/bootstrap\/3.3.7
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

     \/css\/bootstrap.min.css” <\/span>integrity<\/span>=<\/span>“sha384-
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

    BVYiiSIFeK1dGmJRAkycuHAHRg32<\/span><\/p>\n

   OmUcww7on3RYdg4Va+PmSTsz\/K68vbdEjh4u”<\/span><\/p>\n

<\/span>   crossorigin<\/span>=<\/span>“anonymous”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7) <\/span><link <\/span>rel<\/span>=<\/span>“stylesheet” <\/span>href<\/span>=”{% static “<\/span>css<\/span>\/demo4.css” %}”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 9) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 10) <\/span><body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 11) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>‘center’<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 12) <\/span><h1><\/span>Student Feedback Form<\/span><\/h1><hr>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 13) <\/span><form <\/span>class<\/span>=<\/span>“” <\/span>action<\/span>=<\/span>“index.html” <\/span>method<\/span>=<\/span>“post”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 14) <\/span>{{form.as_p}}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 15) <\/span>{% csrf_token %}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

16) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>class<\/span>=<\/span>“btn <\/span><\/p>\n

      btn-primary” <\/span>value<\/span>=<\/span>“Submit Feedback”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

17) <\/span><\/form>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

18) <\/span><\/div>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

19) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

20) <\/span><\/html>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

Form Validations:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

Once we submit the form we have to perform validations like
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n
\n
\n

1) Length of the field should not be empty<\/span><\/p>\n<\/div>\n<\/div>\n

\n
\n

2) The max number of characters should be 10<\/span><\/p>\n<\/div>\n<\/div>\n

\n
\n

3) The first character of the name should be ‘d’ etc<\/span><\/p>\n<\/div>\n<\/div>\n

<\/p>\n<\/div>\n<\/div>\n

\n
\n\t\t\t\t<\/div>\n<\/p><\/div>\n
\n
\n

We can implement validation logic by using the following 2 ways.
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

1) Explicitly by the programmer by using clean methods
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

2) By using Django inbuilt validators
\n<\/span><\/p>\n

Note: <\/span>All validations should be implemented in the forms.py file<\/span><\/p>\n


<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\n
\n
\n

Explicitly by the <\/span>Programmer by using Clean Methods:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

1) The syntax of clean method: <\/span>clean_fieldname(self)<\/span><\/p>\n<\/div>\n<\/div>\n

\n
\n

2) In the FormClass for any field if we define clean method then at the time of submit the
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

   form, Django will call this method automatically to perform validations. If the clean
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

   method won’t raise any error then only form will be submitted.
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span>from <\/span>django <\/span>import <\/span>forms
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3) <\/span>class <\/span>FeedBackForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4)         <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5)        <\/span>rollno=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6)        <\/span>email=forms.EmailField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7)        <\/span>feedback=forms.CharField(widget=forms.Textarea)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 9) <\/span>def <\/span>clean_name(self):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 10)     <\/span>inputname=self.cleaned_data[<\/span>‘name’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 11)     <\/span>if <\/span>len(inputname) < 4:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 12)     <\/span>raise <\/span>forms.ValidationError(<\/span>‘The Minimum no of characters in the name field
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

          should be 4′<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 13)    <\/span>return <\/span>inputname
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n
\n

<\/p>\n

forms.py
\n<\/span><\/span><\/p>\n

<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

The returned value of clean method will be considered by Django at the time of
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

submitting the form.
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n
\n
\n
\n

1) <\/span>from <\/span>django <\/span>import <\/span>forms
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2) <\/span>from <\/span>django .core <\/span>import <\/span>validators
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3)
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4) <\/span>class<\/span>FeedBackForm(forms.Form):
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5)         <\/span>name=forms.CharField()<\/span><\/p>\n

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6)         <\/span>rollno=forms.IntegerField()
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7)        <\/span>email=forms.EmailField()
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8)        <\/span>feedback=forms.CharField(widget=forms.Textarea)
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9)
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10)       <\/span>def <\/span>clean_name(self):
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11)             <\/span>print<\/span>(<\/span>‘validating name’<\/span>)
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12)            <\/span>inputname=self.cleaned_data[<\/span>‘name’<\/span>]
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13)           <\/span>if <\/span>len(inputname) < 4:
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14)              <\/span>raise <\/span>forms.ValidationError(<\/span>‘The Minimum no of characters in the name field
\nshould be 4’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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15)               <\/span>return <\/span>inputname+<\/span>‘pythonpower’
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16)         <\/span>def <\/span>clean_rollno(self):
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17)               <\/span>inputrollno=self.cleaned_data[<\/span>‘rollno’<\/span>]
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18)               <\/span>print<\/span>(<\/span>‘Validating rollno field’<\/span>)
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19)               <\/span>return <\/span>inputrollno
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20)          <\/span>def <\/span>clean_email(self):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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21)                <\/span>inputemail=self.cleaned_data[<\/span>’email’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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22)                <\/span>print<\/span>(<\/span>‘Validating email field’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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23)                <\/span>return <\/span>inputemail
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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24)          <\/span>def <\/span>clean_feedback(self):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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25)                <\/span>inputfeedback=self.cleaned_data[<\/span>‘feedback’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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26)                <\/span>print<\/span>(<\/span>‘Validating feedback field’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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27)               <\/span>return <\/span>inputfeedback
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Server Console:
\n<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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validating name
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Validating rollno field
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Validating email field
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Validating feedback field
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Form Validation Success and printing information
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Name:pythonpower<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Roll No: 101
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Email: pythonpower@gmail.com
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FeedBack: This is sample feedback <\/span><\/p>\n


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Note:
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1) Django will call these filed level clean methods automatically and we are not required<\/span><\/p>\n<\/div>\n<\/div>\n

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    to call explicitly.
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2) Form validation by using clean methods is not recommended. <\/span><\/p>\n


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Django’s Inbuilt Core Validators:
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1) Django provides several inbuilt core validators to perform very common validations.
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   We can use these validators directly and we are not required to implement.
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2) Django’s inbuilt validators are available in the django.core module <\/span><\/p>\n<\/p>\n

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3) <\/span><\/span>from django.core import validators<\/span><\/p>\n<\/div>\n<\/div>\n

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4) To validate Max number of characters in the feedback <\/span><\/p>\n

    as 40,we have to use inbuilt <\/span>validators as follows. <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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<\/span><\/p>\n

forms.py<\/span>  <\/span><\/span> <\/span><\/p>\n

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1) <\/span>from <\/span>django <\/span>import <\/span>forms
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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2) <\/span>from <\/span>django .core <\/span>import <\/span>validators
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3)
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4) <\/span>class <\/span>FeedBackForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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5)         <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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6)         <\/span>rollno=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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7)         <\/span>email=forms.EmailField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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8)         <\/span>feedback=forms.CharField(widget=<\/span><\/p>\n

                            forms.Textarea,validators= <\/span><\/p>\n

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          [validators.MaxLengthValidator(40)])<\/span><\/p>\n


<\/span><\/div>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
                      <\/span>  <\/span><\/div>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Note: <\/span>We can use any number of validators for the same field
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feedback = forms.CharField(widget = forms.Textarea,validators =<\/span><\/p>\n<\/div>\n<\/div>\n

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[validators.MaxLengthValidator(40),validators.MinLengthValidator(10)]) <\/span><\/p>\n<\/p>\n

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Note: <\/span><\/span>Usage of built in validators is very easy when compared with clean methods.<\/span><\/p>\n


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How to implement Custom Validators by using the same
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Validator Parameter:<\/span><\/p>\n

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The value of name parameter should starts with ‘d’ or ‘D’. We can implement this
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validation as follows<\/span><\/p>\n

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1) def <\/span>starts_with_d(value):
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2)      <\/span>if <\/span>value[0].lower() != <\/span>‘d’<\/span>:
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3)      <\/span>raise <\/span>forms.ValidationError(<\/span>‘Name should be starts with d | D’<\/span>)
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4)
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5) <\/span>class <\/span>FeedBackForm(forms.Form):
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6)         <\/span>name=forms.CharField(validators=[starts_with_d])
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7)         <\/span>rollno=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Validation of Total Form directly by using a Single Clean
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Method:<\/span><\/p>\n

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Whenever we are submitting the form Django will call clean() method present in our Form
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class. In that method we can implement all validations.<\/span><\/p>\n

forms.py<\/span> <\/span><\/span><\/p>\n

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 1) <\/span>from <\/span>django<\/span>i mport <\/span>forms
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 2) <\/span>from <\/span>django .core <\/span>import <\/span>validators
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 3)
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 4) <\/span>class <\/span>FeedBackForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 5)         <\/span>name=forms.CharField()
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 6)        <\/span>rollno=forms.IntegerField()
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 7)       <\/span>email=forms.EmailField()
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 8)       <\/span>feedback=forms.CharField(widget=forms.Textarea)
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 9)
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 10) <\/span>def <\/span>clean(self):
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 11)      <\/span>print<\/span>(<\/span>‘Total Form Validation…’<\/span>)
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 12)      <\/span>total_cleaned_data=super().clean()
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 13)      <\/span>inputname=total_cleaned_data[<\/span>‘name’<\/span>]
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 14)     <\/span>if <\/span>inputname[0].lower() != <\/span>‘d’<\/span>:
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 15)        <\/span>raise <\/span>forms.ValidationError(<\/span>‘Name parameter should starts with d’<\/span>)
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 16)        <\/span>inputrollno=total_cleaned_data[<\/span>‘rollno’<\/span>]
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 17)              <\/span>if <\/span>inputrollno <=0:
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 18)                   <\/span>raise <\/span>forms.ValidationError(<\/span>‘Rollno should be > 0’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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How to Check Original pwd and reentered pwd are same OR not in
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Signup Form: <\/span><\/p>\n<\/p>\n

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forms.py <\/span><\/span><\/p>\n

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 1) <\/span>from <\/span>django <\/span>import <\/span>forms
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 2) <\/span>from <\/span>django .core <\/span>import <\/span>validators
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 3)
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 4) <\/span>class <\/span>FeedbackForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 5)          <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 6)          <\/span>rollno=forms.IntegerField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 7)          <\/span>email=forms.EmailField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 8)         <\/span>feedback=forms.CharField(widget=forms.Textarea)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 9)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 10) <\/span>def <\/span>clean(self):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 11)       <\/span>print<\/span>(<\/span>‘Total Form Validation by using <\/span><\/p>\n

            single clean method…’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 12)       <\/span>total_cleaned_data=super().clean()
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 13)       <\/span>inputname=total_cleaned_data[<\/span>‘name’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 14)              <\/span>if <\/span>inputname[0].lower() !=<\/span>‘d’<\/span>:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 15)                  <\/span>raise <\/span>forms.ValidationError(<\/span>‘Name should <\/span><\/p>\n

                        starts with d|D’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 16)                   <\/span>inputrollno=total_cleaned_data[<\/span>‘rollno’<\/span>]
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 17)                   <\/span>if <\/span>inputrollno<=0:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

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 18)                      <\/span>raise <\/span>forms.ValidationError(<\/span>‘Rollno <\/span><\/p>\n

                            should be >0′<\/span>)<\/span><\/p>\n

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\n

 19) <\/span>class <\/span>SignupForm(forms.Form):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 20)          <\/span>name=forms.CharField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 21)           <\/span>password=forms.CharField(widget=<\/span><\/p>\n

                                  forms.PasswordInput)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 22)          <\/span>rpassword=forms.CharField(label=<\/span>‘Reenter <\/span><\/p>\n

                  Password’<\/span>,widget=forms.PasswordIn
\nput)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 23)           <\/span>email=forms.EmailField()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 24)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 25) <\/span>def <\/span>clean(self):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 26)       <\/span>total_cleaned_data=super().clean()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 27)       <\/span>pwd=total_cleaned_data[<\/span>‘password’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 28)       <\/span>rpwd=total_cleaned_data[<\/span>‘rpassword’<\/span>]
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 29)         <\/span>if <\/span>pwd != rpwd:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 30)             <\/span>raise <\/span>forms.ValidationError(<\/span>‘Both Passwords <\/span><\/p>\n

                           must be same’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

\n
\n
\n
\n

views.py
\n<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

 1) <\/span>from <\/span>django .shortcuts <\/span>import <\/span>render
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 2) <\/span>from <\/span>testapp .forms <\/span>import <\/span>FeedbackForm,SignupForm
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 3)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 4) <\/span>#Createyourviewshere.
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 5) <\/span>def <\/span>feedback_form_view(request):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 6)        <\/span>form=FeedbackForm()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 7) <\/span># feedback_submitted=False
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 8)        <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 9)           <\/span>form=FeedbackForm(request.POST)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 10)         <\/span>if <\/span>form.is_valid():
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 11)              <\/span>print<\/span>(<\/span>‘Basic Validation Completed and Printing Data’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 12)              <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 13)             <\/span>print<\/span>(<\/span>‘RollNo:’<\/span>,form.cleaned_data[<\/span>‘rollno’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 14)             <\/span>print<\/span>(<\/span>‘Email:’<\/span>,form.cleaned_data[<\/span>’email’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 15)             <\/span>print<\/span>(<\/span>‘Feedback:’<\/span>,form.cleaned_data[<\/span>‘feedback’<\/span>]) <\/span># feedback_submitted=True
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 16)             <\/span>return <\/span>render(request,<\/span>‘testapp\/feedback.html’<\/span>,{<\/span>‘form’<\/span>:form})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 17)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 18) <\/span>def <\/span>signup_form_view(request):
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 19)       <\/span>form=SignupForm()
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 20)      <\/span>if <\/span>request.method==<\/span>‘POST’<\/span>:
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 21)         <\/span>form=SignupForm(request.POST)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 22)        <\/span>if <\/span>form.is_valid():
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 23)           <\/span>print<\/span>(<\/span>‘Basic Validation Completed and Printing Data’<\/span>)
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 24)           <\/span>print<\/span>(<\/span>‘Name:’<\/span>,form.cleaned_data[<\/span>‘name’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 25)           <\/span>print<\/span>(<\/span>‘Password:’<\/span>,form.cleaned_data[<\/span>‘password’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 26)           <\/span>print<\/span>(<\/span>‘Email:’<\/span>,form.cleaned_data[<\/span>’email’<\/span>])
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

 27)       <\/span>return <\/span>render(request,<\/span>‘testapp\/signup.html’<\/span>,{<\/span>‘form’<\/span>:form})
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

signup.html
\n<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n
\n

1) <\/span><!DOCTYPEhtml<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

2) <\/span><html<\/span>lang<\/span>=<\/span>“en”<\/span>dir<\/span>=<\/span>“ltr”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

3) <\/span><head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

4) <\/span><meta <\/span>charset<\/span>=<\/span>“utf-8”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

5) <\/span><title><\/title>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

6) <\/span><!– Latest compiled and minified CSS –>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

7) <\/span><link<\/span>rel<\/span>=<\/span>“stylesheet”<\/span>href<\/span>=<\/span>“https:\/\/maxcdn.<\/span><\/p>\n

bootstrapcdn.com\/bootstrap\/3.3.7\/cs
\ns\/<\/span><\/p>\n

bootstrap.min.css” <\/span>integrity<\/span>=<\/span>“sha384-
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3R<\/span><\/p>\n

Ydg4Va+<\/span>PmSTsz\/K68vbdEjh4u” <\/span>c<\/span>rossorigin<\/span>=<\/span>“anonymous”<\/span>><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

8) <\/span><\/head>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

9) <\/span><body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

10) <\/span><div <\/span>class<\/span>=<\/span>“container” <\/span>align<\/span>=<\/span>‘center’<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

11) <\/span><h1><\/span>Student Signup Form<\/span><\/h1><hr>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

12) <\/span><form <\/span>method<\/span>=<\/span>“post”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

13) <\/span>{{form.as_p}}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

14) <\/span>{%csrf_token%}
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

15) <\/span><input <\/span>type<\/span>=<\/span>“submit” <\/span>class<\/span>=<\/span>‘btn btn-lg<\/span><\/p>\n

      btn-warning’ <\/span>value<\/span>=<\/span>“Signup”<\/span>>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

16) <\/span><\/form>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

17) <\/span><\/div>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

18) <\/span><\/body>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n

\n
\n
\n

19) <\/span><\/html>
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\t<\/div>\n

<\/div>\n
\n
\n
\n
\n

Note: <\/span>If we want to perform validations by comparing multiple input fields then we
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n

should go for single clean() method.
\n<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n


<\/span><\/p>\n

<\/span><\/p>\n

<\/div>\n

 <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

 <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

 <\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

         <\/span><\/p>\n

\n\n\n\n
\n
\n
\n

           
<\/span><\/p>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

 <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n


<\/span><\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

 <\/span><\/p>\n

              <\/span><\/p>\n

<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

 <\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
\n
\n
\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\n
\n

<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

  Django Forms: 1) It is the very important concept in web development. 2) The…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_joinchat":[]},"categories":[7],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/posts\/38"}],"collection":[{"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/comments?post=38"}],"version-history":[{"count":0,"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/posts\/38\/revisions"}],"wp:attachment":[{"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/media?parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/categories?post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pythonpower.in\/index.php\/wp-json\/wp\/v2\/tags?post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}