# Query on observe form and rjs

**URL:** <https://www.ruby-forum.com/t/query-on-observe-form-and-rjs/118264>\
**Category:** Rails\
**Created:** [October 25, 2007, 8:35am UTC](https://www.ruby-forum.com/t/query-on-observe-form-and-rjs/118264 "2007-10-25T08:35:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![divyakgowda](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/cc9497/32.png) [@divyakgowda](https://www.ruby-forum.com/u/divyakgowda)\
**Post date:** [October 25, 2007, 8:35am UTC](https://www.ruby-forum.com/t/query-on-observe-form-and-rjs/118264/1 "2007-10-25T08:35:55Z")

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I have 3 fields project,type,program .Program should be enable only if  
type=1(some predef value)but program values should be based on project  
values.I tried to use observe form and rjs.I could not find the  
solution plz help me…