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Fixed #6891 -- Clarified modelform usage documentation. Thanks to Eric Holscher for the suggestion. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7728 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee 2008-06-23 12:57:11 +00:00
parent 3ce81068b8
commit dce557b9e7
1 changed files with 7 additions and 0 deletions
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7
docs/modelforms.txt
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@ -182,6 +182,13 @@ supplied, ``save()`` will update that instance. If it's not supplied,
# Create a form to edit an existing Article. # Create a form to edit an existing Article.
>>> a = Article.objects.get(pk=1) >>> a = Article.objects.get(pk=1)
>>> f = ArticleForm(instance=a) >>> 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()
Note that ``save()`` will raise a ``ValueError`` if the data in the form Note that ``save()`` will raise a ``ValueError`` if the data in the form
doesn't validate -- i.e., ``if form.errors``. doesn't validate -- i.e., ``if form.errors``.