Django modelformset_factory saves nothing - django

Question

(I'm quite new at django, i googled for this a lot but could not find an answer, so i hope you don't mind the low level question)
There are these Classes:
class Cl(models.Model):
user = models.ForeignKey(User,editable=False)
title = models.CharField(max_length=100)
class Member(models.Model):
name = models.CharField(max_length=100)
email = models.EmailField()
cl = models.ForeignKey(Cl)
class ClForm(ModelForm):
class Meta:
model = Cl
I want to make a page where i can create an Object of Cl and some related Member Objects (I plan to use django-dynamic-formset but that is not the point here). My view looks like this:
class NewView(TemplateView):
def get(self, request):
cform = ClForm(prefix="cl", instance=Cl(user=request.user))
MemberFormSet = modelformset_factory(Member)
memberfs = MemberFormSet(queryset=Member.objects.none())
return render_to_response(self.template_name, {'cl_form': cform, 'memberformset': memberfs}, context_instance=RequestContext(request))
def post(self,request):
cform = ClForm(request.POST, prefix="cl", instance=Cl(user=request.user))
MemberFormSet = modelformset_factory(Member)
memberfs = MemberFormSet(request.POST)
if cform.is_valid() and memberfs.is_valid():
new_cl = cform.save()
new_members = memberfs.save(commit=False)
for mf in new_members:
mf.cl = new_cl
mf.save()
return HttpResponseRedirect("unimportant")
return render_to_response(self.template_name, {'cl_form': cform, 'memberformset': memberfs}, context_instance=RequestContext(request))
My template looks like this:
<form id="myForm" method="post" action="">
{% csrf_token %}
{{ memberformset.management_form }}
<table>
{{ cl_form }}
<tr><th colspan="2">Members</th></tr>
{% with memberformset.empty_form as form %}
<div id="id_empty_form" style="display:none;">
{{ form }}
</div>
{% endwith %}
</table>
<input type="submit" value="Save" />
</form>
My problem is now, that the member is not stored. Also, the memberfs.is_valid() doens't complain, if e.g. the Email field is not filled out correctly.
I also tried the inlineformset_factory, but that didn't worked either.

Answer 1

I think the problem is that you are using the "empty_form" in that template. The correct way of using the formset is described here. In your example, you should write:
<form id="myForm" method="post" action="">
{% csrf_token %}
{{ memberformset.management_form }}
<table>
{{ cl_form }}
<tr><th colspan="2">Members</th></tr>
<!-- THIS IS NOT NECESSARY UNLESS YOU WANT TO ADD FORMS WITH JAVASCRIPT-->
<div id="id_empty_form" style="display:none;">
{{ memberformset.empty_form }}
</div>
<!-- END NOT NECESSARY-->
{% for form in memberformset.forms %}
{{ form }}
{% endfor %}
{% endwith %}
</tbody>
</table>
<input type="submit" value="Save" />
</form>