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copied!<p>Aha! The validation error message that you are seeing is actually not a validation error message. Let me explain. When you render the model form instance using <code>as_p</code>, it renders each field in the following way:</p> <pre><code><p><label ...>fieldname</label> <input ... name="fieldname" /> HELP TEXT IF ANY</p> </code></pre> <p>The string <code>Required. 30 characters or fewer. Letters, numbers and @/./+/-/_ characters</code> that you are seeing to the right hand side of the field is nothing but the help text. This help text is taken from the model definition - you can verify this by visiting <code>django/contrib/auth/models.py</code> and inspecting the definition of <code>User</code> class.</p> <p>When you override the <code>username</code> field you are omitting any help text. Naturally the "error" disappears. </p> <p>In order to verify this theory do the following in your <code>main</code> method.</p> <pre><code>def main(request): uf = forms.UserForm() upf = forms.UserProfileForm() print "User form is bound:%s errors:%s" % (uf.is_bound, uf.errors) return render_to_response("authentication/index.html", {'form1': uf, 'form2':upf}) </code></pre> <p><strong>Update</strong></p> <pre><code>if self.cleaned_data['cpassword']!=self.cleaned_data['password']: </code></pre> <p>This line can cause trouble when the user doesn't supply one or both of <code>password</code> and <code>cpassword</code>. For example, try this from the Django shell:</p> <pre><code>>>> data = dict(username = 'admin', cpassword = 'foo', email='admin@bar.com') >>> f = RegisterForm(data) >>> f.is_bound True >>> f.is_valid() Traceback (most recent call last): ... File "<pyshell#2>", line 8, in clean if self.cleaned_data['cpassword']!=self.cleaned_data['password']: KeyError: 'password' </code></pre> <p>Change your form's <code>clean</code> method to make sure that both values are present before comparing. Something like this:</p> <pre><code>def clean(self): password = self.cleaned_data.get('password', None) cpassword = self.cleaned_data.get('cpassword', None) if password and cpassword and (password == cpassword): return self.cleaned_data else: raise forms.ValidationError("Passwords don't match") </code></pre>

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