On Thursday, 11 July 2013 23:08:25 UTC+1, Kakar wrote:
> Hi,
> I am learning Django from an old Django version book, and i am stuck with
> a problem regarding forms. When i render forms, i get the registration
> right, but if its incorrect, it does not show the error msg in the html. I
> tried {{form.errors}}, but couldn't fix he problem. Please guide me.
> Thank you.
>
> <snip>
>
> def register_page(request):
> if request.method == 'POST':
> form = RegistrationForm(request.POST)
> if form.is_valid():
> user = User.objects.create_user(
> username=form.cleaned_data['username'],
> email=form.cleaned_data['email'],
> password=form.cleaned_data['password1']
> )
> return HttpResponseRedirect('/register/success/')
> else:
> form = RegistrationForm()
> variables = RequestContext(request,{
> 'form':form
> })
> return
> render_to_response('registration/register.html',variables)
> else:
> form = RegistrationForm()
> variables = RequestContext(request,{
> 'form':form
> })
> return render_to_response('registration/register.html',variables)
>
> <snip>
>
You are re-instantiating the form in the first else clause, if it is not
valid. That new form instance is empty and therefore doesn't have any
errors.
You don't actually need that else clause at all: Just move the last two
lines of the function ('variables' and 'return') back one indent level, and
execution will fall through to that point if the form is invalid, complete
with errors.
--
DR.
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