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add nested_model_forms to guides/documents.yaml [wip] [ci skip]

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Zachary Scott 2013-08-12 16:14:01 -04:00 committed by Zachary Scott
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commit b4a9f00a45
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guides/source/nested_model_forms.md
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Rails nested model forms
Rails Nested Model Forms
========================
Creating a form for a model _and_ its associations can become quite tedious. Therefore Rails provides helpers to assist in dealing with the complexities of generating these forms _and_ the required CRUD operations to create, update, and destroy associations.
@ -54,6 +54,9 @@ class Person < ActiveRecord::Base
end
```
NOTE: For greater detail on associations see [Active Record Associations](association_basics.html).
For a complete reference on associations please visit the API documentation for [ActiveRecord::Associations::ClassMethods](http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html).
### Custom model
As you might have inflected from this explanation, you _don't_ necessarily need an ActiveRecord::Base model to use this functionality. The following examples are sufficient to enable the nested model form behavior: