> And when I save form, got this error: > Invalid value: 'region' should be a <class > 'serp2.apps.common.models.Region'> instance, not a <type 'str'> Request
The hint is in the error message. You must pass a Region object to the region parameter, new_data['region'] contains only the id that the user selected from the select list. You can do this: def save(self, new_data): t = Town( region = Region.objects.get(pk=new_data['region']), [...] ) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users -~----------~----~----~----~------~----~------~--~---