Form Saving Related Issues

[pradam programming]

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

[Andromeda Yelton]

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

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Andromeda Yelton

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@ThatAndromeda

[pradam programming]

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..!

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[ludovic coues]

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.

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Cordialement, Coues Ludovic
+336 148 743 42

[pradam programming]

Hi Sir,
Thank you. ! It's really help full.. Will try to do it

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>> @ThatAndromeda
>>
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Cordialement, Coues Ludovic
+336 148 743 42

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