On Mon, Feb 8, 2010 at 1:46 PM, Anders Eide <eide.and...@gmail.com> wrote:
> I have a table width movies, and I would like to make a form and a
> view thats updates a row.
>
> I build the form automatically from a model
>
> class SaveMovieForm(ModelForm):
> class Meta:
> model = Movie
> id = forms.IntegerField(
> widget = forms.HiddenInput(),
> required = False
> )
>
> And populates it like this
>
> movie = Movie.objects.get(id=id)
>
> form = SaveMovieForm({
> 'title' = movie.title,
> ...
> })
>
> Then sends the form to the template using RequestContext and
> render_to_response
>
> But I'm getting the warning that the title already exists. This
> results in that I can't update the row. How can I tell the form that
> the request is a update, not a create?
>
Pass the movie as the instance argument to SaveMovieForm, eg:
form = SaveMovieForm(data=request.POST, instance=movie)
Cheers
Tom
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