http://django-autocomplete-light.readthedocs.io/en/master/tutorial.html#filtering-results-based-on-the-value-of-other-fields-in-the-form
On Tue, Sep 19, 2017 at 7:53 PM, Anuj Sharma <anujsharma9...@gmail.com> wrote: > I'm working in Django 1.11 > > I have three apps, country, state and address > > state model is associated with country by foreign key and address is > associated with state with a foreign key. > > country/models.py > > class Country(models.Model): > name = models.CharField(max_length=100) > code = models.CharField(max_length=50) > > class Meta: > db_table = 'countries' > > def __str__(self): > return self.name > > > > > state/models.py > > class State(models.Model): > country = models.ForeignKey(Country, on_delete=models.CASCADE) > name = models.CharField(max_length=100) > code = models.CharField(max_length=50) > > class Meta: > db_table = 'states' > > def __str__(self): > return self.name > > > > address/models.py > > class Address(models.Model): > line_1 = models.CharField(max_length=200) > line_2 = models.CharField(max_length=200) > city = models.CharField(max_length=200) > state = models.ForeignKey(State, on_delete=models.PROTECT) > postal_code = models.CharField(max_length=15) > > class Meta: > db_table = 'addresses' > > def __str__(self): > return '%s, %s, %s, %s' % (self.line_1, self.line_2, self.city, > self.state) > > > > Since one country can have multiple states, I want user to be able to select > state after selecting country, which will list related/associated states > while adding/editing address. > > I also want this feature in /admin as app is registered to admin too. > > Is there any simple and better way to do this? > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/b2d37648-b6cb-4cac-97cc-4fad30bf2b0a%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Melvyn Sopacua -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CA%2Bgw1GX2KOduBx7cBNONz6ywAHd3VvneuBoKYFoEvh6OtY-SDw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
