Forum: Ruby on Rails RE: (no subject)

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60e38de043848f82392062088f191213?d=identicon&s=25 Hogan, Brian P. (Guest)
on 2006-02-13 23:24
(Received via mailing list)
If you've not bought the Agile Web Development book or the new Rails
Recipes book, you really should.  A lot of the questions you're asking
are in there along with a lot of really important concepts.

You need to look into observe_field which monitors a form field for
changes and then updates an element (usually a div with an id) with the
results from an AJAX call.

Then you need an action that builds the second select box based on what
the observe_field sends in.
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