Walt, you're a lifesaver! Many thanks for the great example. I only made a couple of minor tweeks:
class AgencyForm(forms.ModelForm): class Meta: model = Agency def __init__(self, *args, **kwargs): super(AgencyForm, self).__init__(*args, **kwargs) if self.instance.id: if self.instance.state: counties = County.objects.filter(us_state=self.instance.state) county_field = self.fields['counties'].widget county_choices = [] if counties is None: county_choices.append(('', '---------')) for county in counties: county_choices.append((county.id, county.name)) county_field.choices = county_choices Kind regards, Brandon On Mar 14, 8:23 am, Walt <tufelkin...@gmail.com> wrote: > Here is an idea of what your forms.py should contain: > > class AgencyForm(ModelForm): > > class Meta: > model = Agency > > def __init__(self, *args, **kwargs): > super(AgencyForm, self).__init__(*args, **kwargs) > if self.instance.id: > if self.instance.state_id: > counties = > County.objects.filter(state=self.instance.state_id) > > county_field = self.fields['counties'].widget > county_choices = [] > county_choices.append(('', '------')) > for county in counties: > county_choices.append((county.id, county.name)) > county_field.choices = county_choices > > Then in admin.py, make sure you have: > > class AgencyAdmin(admin.ModelAdmin): > form = AgencyForm > > Hope this helps, > Walt > > -~ -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.