On Tue, 2009-08-04 at 07:07 -0700, Berco Beute wrote:
> I'm trying to add multiple instances of the same form on one page,
> each with its own submit button. I know how to use the 'prefix'
> argument for a form to differentiate between forms, but I can't figure
> out how to get the right data when it is POST'ed back (see view.py
> below). Somehow the form stays invalid, no matter what I try. Any
> suggestions what I may be doing wrong?
>
> Thanks!
>
> =models.py=======================
> class Invite(models.Model):
> invitation = models.ForeignKey(Invitation, verbose_name=_
> ('User'))
> email_address = models.EmailField(_('email address'))
> status = models.CharField(_('RSVP status'), max_length=1,
> choices=settings.INVITE_RESPONSE_CHOICES)
> ========================
>
>
> =views.py===================
> def invite_resp(request):
> invites = Invite.objects.all()
> if request.method == 'POST':
> invite_formz = [InviteForm(request.POST, prefix=str(index),
> instance=invite) for index, invite in enumerate(invites)]
> if all([invite_form.is_valid() for invite_form in
> invite_formz]):
> invite = invite_form.save()
> return HttpResponseRedirect('/')
> invite_forms = [InviteForm(instance=invite) for index, invite in
> enumerate(invites)]
You forgot to set the prefix here, so the form that the user is
submitting their data from doesn't have the fields named correctly. You
need to set it up exactly the same way at this point as you did in the
POST path, with the exception of not prepopulating with data.
Also, you've almost certainly left off an "else" clause here. You only
want to create new, empty forms if the method is not POST (you can fall
through to this point with request.method == "POST" and one of the forms
being invalid).
Regards,
Malcolm
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