diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/topics/forms/modelforms.txt | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/docs/topics/forms/modelforms.txt b/docs/topics/forms/modelforms.txt index 49dc4f4c90..ac4c92f752 100644 --- a/docs/topics/forms/modelforms.txt +++ b/docs/topics/forms/modelforms.txt @@ -232,7 +232,7 @@ Overriding the clean() method You can override the ``clean()`` method on a model form to provide additional validation in the same way you can on a normal form. -A model form instance bound to a model object will contain an ``instance`` +A model form instance attached to a model object will contain an ``instance`` attribute that gives its methods access to that specific model instance. .. warning:: @@ -674,6 +674,21 @@ There are a couple of things to note, however. a default field. To opt-out from default fields, see :ref:`modelforms-selecting-fields`. +Providing initial values +------------------------ + +As with regular forms, it's possible to specify initial data for forms by +specifying an ``initial`` parameter when instantiating the form. Initial +values provided this way will override both initial values from the form field +and values from an attached model instance. For example:: + + >>> article = Article.objects.get(pk1=) + >>> article.headline + 'My headline' + >>> form = ArticleForm(initial={'headline': 'Initial headline'), instance=article) + >>> form['pub_date'].value() + 'Initial headline' + .. _modelforms-factory: ModelForm factory function @@ -840,8 +855,8 @@ As with regular formsets, it's possible to :ref:`specify initial data <formsets-initial-data>` for forms in the formset by specifying an ``initial`` parameter when instantiating the model formset class returned by :func:`~django.forms.models.modelformset_factory`. However, with model -formsets, the initial values only apply to extra forms, those that aren't bound -to an existing object instance. +formsets, the initial values only apply to extra forms, those that aren't +attached to an existing model instance. .. _saving-objects-in-the-formset: |