Without going into coding detail, here is (my) theory: assuming you are on
CF8, you can easily use cfselect data binding to make the two selects
related.

Then you can use jQuery (or plain old JavaScript) to "toggle" the 2nd select
so that it is only visible when something from the first select is
selected.

Or better yet, enforce the related dropdown logic with jQuery as well.


On Wed, Jan 27, 2010 at 8:37 AM, Keith McGee <[email protected]>wrote:

>
> I have a drop down with a list of values, when the user selects a value I
> need to display another list of values in a drop down associated with the
> value they selected. I can do this reloading the page, but I want to do this
> with out reloading the page.
>
> table a
> subjectID subject description
>
> table b
> sub_subjectID subjectID sub_subject description
>
> any suggestions
>
> Thanks
> Keith
>
> 

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