Re: Form Saving Related Issues

You need some kind of ajax.
Once the user have entered their email, send a request to your django
app with only that email. Django check if the email exist and send a
reply with yes or no.

2016-11-01 3:30 GMT+01:00 pradam programming <pradam.programming@gmail.com>:
> Thank you sir for the reply..
> But I am using HTML forms then what should I do...? I want error message
> should display instantly when user enter existing mail id..!
>
>
> On 1 Nov 2016 12:05 am, "Andromeda Yelton" <andromeda.yelton@gmail.com>
> wrote:
>>
>> If your model has the uniqueness constraint, you should get a form error
>> message automatically. If you don't want your model to have that constraint
>> but you still want your form to throw an error message, you can add a
>> clean_<name of email field> and a clean_<name of mobile field> function that
>> check for uniqueness and raise ValidationError if it fails (see examples
>> here: https://docs.djangoproject.com/en/1.10/ref/forms/validation/ ).
>>
>> When the form saves successfully, the user will be redirected to the
>> success_url you provide. That template can have success message text.
>> Alternately, in your form_valid function in the view, you could add a
>> success message that will get added to whatever page you're redirecting to
>> (as long as you make sure your template is rendering messages) ->
>> https://docs.djangoproject.com/en/1.10/ref/contrib/messages/#adding-a-message
>>
>> On Mon, Oct 31, 2016 at 1:55 AM, pradam programming
>> <pradam.programming@gmail.com> wrote:
>>>
>>> Hi,
>>> Please I need an advice on the best approach to take on the following
>>> issues.
>>> I have create a form to save user details like first name,last
>>> name,email,mobile number etc...
>>>
>>> 1.Now I need to show error message (In Models i gave email and mobile no
>>> field as unique = True) when user enter a email id if email id exists in
>>> database show message like email id exists beside the email text field(also
>>> for the mobile no) else proceed with form.
>>> 2.After i saving the form i need to show alert of success.
>>>
>>> regards,
>>> Pradam Abhilash
>>>
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>>
>>
>>
>> --
>> Andromeda Yelton
>> Vice President/President-Elect, Library & Information Technology
>> Association: http://www.lita.org
>> http://andromedayelton.com
>> @ThatAndromeda
>>
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--

Cordialement, Coues Ludovic
+336 148 743 42

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