On Monday 01 June 2009 01:38:30 adelaide_mike wrote:
> I found a really clear explanation of creating and updating database
> objects in SAMS TeachYourself Django, but it appears to be for v
> 0.96.
>
> I have looked at "Creating forms from models" in the documentation,
> and about one-third the way down it shows the following:
>
> # Create a form instance from POST data.
>
> >>> f = ArticleForm(request.POST)
>
> # Save a new Article object from the form's data.
>
> >>> new_article = f.save()
>
> # Create a form to edit an existing Article.
>
> >>> a = Article.objects.get(pk=1)
> >>> f = ArticleForm(instance=a)
> >>> f.save()
>
> # Create a form to edit an existing Article, but use
> # POST data to populate the form.
>
> >>> a = Article.objects.get(pk=1)
> >>> f = ArticleForm(request.POST, instance=a)
> >>> f.save()
>
> I understand what these code fragments are intended to do (I think)
> but I am not clear as to how to use them. Can someone point me to a
> more fully displayed example? TIA
>
> Mike
Here's an example from my code, does this help?
Tim.
def edit_result(request, pResultSerial):
"""
Edit a single result row
"""
lContestResult = get_object_or_404(ContestResult, pk=pResultSerial)
if request.user != lContestResult.owner:
raise Http404()
if request.method == 'POST':
form = ContestResultForm(request.POST, instance=lContestResult)
if form.is_valid():
form.save()
return
HttpResponseRedirect(reverse('bbr.contests.views.single_contest_event',
args=[lContestResult.contest_event.contest.slug,
lContestResult.contest_event.date_of_event]))
else:
form = ContestResultForm(instance=lContestResult)
return render_auth(request, 'contests/edit_result.html', {'form': form,
'ContestResult' : lContestResult})
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