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Django: How to display Validation errors not specific to a field?

I have errors raised in the form's clean method (not tied to a field).

How do I display them in the template?

I tried {{ forms.errors }} and {{ form.non_field_errors }} but neither worked.

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dannyroa Avatar asked Dec 10 '09 19:12

dannyroa


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How do I display validation error in Django?

To display the form errors, you use form. is_valid() to make sure that it passes validation. Django says the following for custom validations: Note that any errors raised by your Form.

How does Django handle form validation error?

To create such an error, you can raise a ValidationError from the clean() method. For example: from django import forms from django. core.

How do I validate fields in Django?

Django provides built-in methods to validate form data automatically. Django forms submit only if it contains CSRF tokens. It uses uses a clean and easy approach to validate data. The is_valid() method is used to perform validation for each field of the form, it is defined in Django Form class.

What is clean method in Django?

clean() method raises a ValidationError, any field-specific cleaning method is not called. However, the cleaning methods for all remaining fields are still executed. The clean() method for the Form class or subclass is always run. If that method raises a ValidationError, cleaned_data will be an empty dictionary.


1 Answers

According to the docs, they go in a special field (__all__) and should be accessed via the non_field_errors() method. At a guess, I'd say that method returns a sequence.

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Hank Gay Avatar answered Oct 24 '22 22:10

Hank Gay