# Help needed regarding Yahoo autocomplete UI in rails

**URL:** <https://www.ruby-forum.com/t/help-needed-regarding-yahoo-autocomplete-ui-in-rails/159320>\
**Category:** Rails\
**Created:** [February 3, 2009, 1:03pm UTC](https://www.ruby-forum.com/t/help-needed-regarding-yahoo-autocomplete-ui-in-rails/159320 "2009-02-03T13:03:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tuhin\_cse99](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/a6a055/32.png) [@tuhin\_cse99](https://www.ruby-forum.com/u/tuhin_cse99)\
**Post date:** [February 3, 2009, 1:03pm UTC](https://www.ruby-forum.com/t/help-needed-regarding-yahoo-autocomplete-ui-in-rails/159320/1 "2009-02-03T13:03:57Z")

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HI guys,  
I have a tag field in my rails app.  
I want to add auto complete option in tag input field by yahoo UI.  
I have googled a lot but nothing found workable.  
Here is the best one that I found from net but by protype.

> **[Prototype UI autocomplete (Ajax)
 Using Ruby on Rails -II](http://www.genlinux.org/2008/07/prototype-ui-autocomplete-ajax-using.html)**
>
> This is my IInd article on Prototype UI autocomplete.The main source of the article is from Prototype-UI . Download this tutorial In my pr...

I have tried with prototype also but not work for me.  
But when I type in the tag field nothing is shown.  
Please help me about it. any example or tutorial will be great.  
thanks.  
Amin