Karen, Luke, thank-you both for replying.
Luke, there isn't an error message as such, it's just that the Entry
model disappears from the admin. If I try to go directly to an entry
page URL I get a 404. As soon as I go back to using list_filter =
('competition', 'division') it's ok. I've tried
('Competition.startDate', division) as you suggested,
('self.competition.startDate', division) and
('entry.competition.startDate', division). None of them work.
Karen, sounds like you might be right. If I can have a foreignKey
field in list_filter that would mean 'competition' is ok, but
'competition.startDate' isn't a foreignKey, right?
Any other suggestions?
Thanks again,
Steve
On 28 July, 00:37, Karen Tracey <kmtra...@gmail.com> wrote:
> On Mon, Jul 27, 2009 at 6:01 PM, irishsteve <steve...@gmail.com> wrote:
>
> > Hi
>
> > I'm new to Django, so thanks in advance for taking the time to help
> > me! I can't work out how to reference a foreignKey in the list_filter
> > method.
>
> > Here are the two relevant objects from my model:
>
> > [snip]
>
> Everything is working correctly however, in the list_filter method,
>
> > I've been trying to do:
>
> > list_filter = ('competition.startDate', 'division')
>
> > but it's just throwing an error. I've done quite a lot of digging
> > about and I'm sure the answer is staring me in the face, but I haven't
> > been able to work it out.
>
> You are trying to filter on a field in the related model? I do not get the
> impression from the documentation for list_filter
> (http://docs.djangoproject.com/en/dev/ref/contrib/admin/#django.contri...)
> that that is supported. It states:
>
> "(list_filter) should be a list of field names, and each specified field
> should be either a BooleanField, CharField, DateField, DateTimeField,
> IntegerField or ForeignKey."
>
> So, specifying the ForeignKey "competition" should work, but I'm not sure
> there is any support for trying to follow that ForeignKey and filter on the
> value of a field in the related model.
>
> Karen
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