Hi all
I'm having problems working out how to pass messages to a form when using a
Redirect.
One example I found on the web of a Contact form set a variable
message='Contact
Added' or message='Contact Updated' depending on what happened. This example
didn't
use any Redirect after a POST.
Many sites strongly suggest to use a HttpResponseRedirect after a POST to cover
the
situation of a user hitting the back button and inadvertently making a double
POST
and it also can return one to a default page.
However as you will glean from the code below if I have the
HttpResponseRedirect then
the form will only ever show 'Please fill in the details.' The form will never
display any of the other messages. If I comment out the HttpResponseRedirect
some of
the other messages will show.
How do Django users manage to provide action specific feedback messages to
users on
form submission? What should I be doing instead of what I have below?
# Default form
ContactForm = forms.form_for_instance(contact)
form = ContactForm()
message = 'Please fill in the details.'
if request.POST:
if request.POST['submit_action'] == 'Update':
update_form = ContactForm(request.POST)
if update_form.is_valid():
update_form.save()
message = 'Update done.'
else:
message = 'Form was not valid!'
else:
message = 'Some other error message.'
return HttpResponseRedirect("%s" % request.path)
data = { 'request': request,
'message': message,
'form': form.as_table(),
}
return render_to_response('test_form_for_instance.html', data)
Mike
--
Michael Lake
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