Jeff,

I think we might need more clarification here. "...update form elements 
as a user makes changes...." has a few different meanings. If field 
elements (say city and state) are bound to other elements (like a zip 
field), then you might use Ajax to update the city and state with info 
brought back from a query to the server (this zip = this city and 
state), whereas if you were just applying proper formatting to a field's 
contents (say a U.S. Phone Number field), you aren't really using Ajax, 
since you aren't making a query of the server for information based upon 
what you've entered.

I would suggest reviewing some of the popular JS libraries for either (I 
prefer JQuery myself). If you are on CF8 you can take advantage of the 
new built in Ajax components and methods (see the livedocs for detailed 
implementation).

Steve "Cutter" Blades
Adobe Certified Professional
Advanced Macromedia ColdFusion MX 7 Developer
_____________________________
http://blog.cutterscrossing.com

J W wrote:
> Can anyone point me in the right direction.
> 
> I would like to update form elements as a user makes changes. So instead of
> hitting a submit button, I'd like each one updated via AJAX through a CFC.
> Are there any downsides to doing this? Are there any tutorials or docs to
> help me accomplish this? I have been coming up short in my search or at
> least no understanding enough about it to know that it would help me.. :)
> 
> Muchly Appreciated.
> 
> Jeff
> 
> 
> 

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