How to show validation errors in template using CreateView Django - django

Question

I am using an extended User model and a generic CreateView.
class SignUp(CreateView):
form_class = forms.SignUpForm
success_url = '/accounts/login/'
template_name = 'accounts/signup.html'
How do I access the form validation errors in my template? They must be there because when I do {{ form.as_p }} the errors show up. I have tried {{ form.errors }} and {{ field.errors }} but there is nothing in them. Is there a simple tag I can call in my template to show the errors? Thanks.

Answer 1

you can do it manually if you like. Each field is available as an attribute of the form using {{ form.name_of_field }}, and in a Django template, will be rendered appropriately. For example:
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
<label for="{{ form.subject.id_for_label }}">Email subject:</label>
{{ form.subject }}
</div>
<div class="fieldWrapper">
{{ form.message.errors }}
<label for="{{ form.message.id_for_label }}">Your message:</label>
{{ form.message }}
</div>
<div class="fieldWrapper">
{{ form.sender.errors }}
<label for="{{ form.sender.id_for_label }}">Your email address:</label>
{{ form.sender }}
</div>
<div class="fieldWrapper">
{{ form.cc_myself.errors }}
<label for="{{ form.cc_myself.id_for_label }}">CC yourself?</label>
{{ form.cc_myself }}
</div>
and if you want to loop all errors once on the top page.
{% if form.non_field_errors %}
<ul>
{% for error in form.non_field_errors %}
<li>{{ error }}</li>
{% endfor %}
</ul>
{% endif %}
If you’re using the same HTML for each of your form fields, you can reduce duplicate code by looping through each field in turn using a {% for %} loop:
{% for field in form %}
<div class="fieldWrapper">
{{ field.errors }}
{{ field.label_tag }} {{ field }}
{% if field.help_text %}
<p class="help">{{ field.help_text|safe }}</p>
{% endif %}
</div>
{% endfor %}
you can check many methods to do that in Django documentation in the below URL
https://docs.djangoproject.com/en/4.0/topics/forms/#looping-over-the-form-s-fields