# Dynamic Select Box

**URL:** <https://www.ruby-forum.com/t/dynamic-select-box/149277>\
**Category:** Rails\
**Created:** [September 23, 2008, 8:53am UTC](https://www.ruby-forum.com/t/dynamic-select-box/149277 "2008-09-23T08:53:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jaikishan\_J](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/ad7895/32.png) [@Jaikishan\_J](https://www.ruby-forum.com/u/Jaikishan_J)\
**Post date:** [September 23, 2008, 8:53am UTC](https://www.ruby-forum.com/t/dynamic-select-box/149277/1 "2008-09-23T08:53:13Z")

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I have two select boxes and I update the content of second box on the  
basis  
of selection made on first with AJAX. I was wondering if any one can  
point  
to related tutorial.

–  
Thanks,  
Jaikishan

---

<div class="post-metadata">

**Author:** ![Jaikishan\_J](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/ad7895/32.png) [@Jaikishan\_J](https://www.ruby-forum.com/u/Jaikishan_J)\
**Post date:** [September 23, 2008, 8:53am UTC](https://www.ruby-forum.com/t/dynamic-select-box/149277/2 "2008-09-23T08:53:48Z")

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2008/9/23 Jaikishan J. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> I have two select boxes and I update the content of second box on the basis  
> of selection made on first with AJAX. I was wondering if any one can point  
> to related tutorial.

Search by observe\_field, AFAIK.

–  
Rodrigo F.  
[http://www.thecodekeeper.net/](http://www.thecodekeeper.net/)