On Mon, Feb 22, 2010 at 3:11 PM, Tom <t.scr...@gmail.com> wrote:
> Hi all,
>
> I have a view that takes data from a form and saves it in the db. One
> of the fields is a M2M linking to another model. The record itself
> saves fine, but no entry in the M2M join table is created. I am
> passing the form initial data for the M2M in the form of a list of id
> numbers specifying which items are to be selected. Sure enough the
> items are properly selected in the 'choose many' box, but the join
> table is never made.
>
> If anybody can provide a hint I would really appreciate it; I have
> been going over and over this looking for an error and it is starting
> to drive me crazy!
>
> This is my code:
>
> #views.py (to_form is the list of id numbers specifying the items to
> be saved in the M2M field)
> --------------
>
> if request.method == 'POST':
> f = InteractionForm(request.POST)
> if f.is_valid():
>
> interaction = f.save(commit=False)
> interaction.owner = request.user
> interaction.save()
> return
> HttpResponseRedirect('http://127.0.0.1:8000/contact/%d' %
> to_form[0])
http://docs.djangoproject.com/en/dev/topics/forms/modelforms/#the-save-method
Pay particular attention to the notes about commit=False
Cheers
Tom
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