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clearing cascading dropdowns

I am programing in asp.net vb using AjaxToolkit cascadingDropDown.
I do not have access to AjaxToolkit cascading dropdown event handlers.

I have a series of dropdowns. The selection from one of the dropdowns (call it ddA) triggers the visibility of some of the other dropdowns.

Problem is that f the user makes one selection from ddA, makes selections from additonal dropdowns, then goes back and changes the selection in ddA, the selections made before the change are not cleared, but continue to display the previous selections.

Can any one tell me how to clear out previous selections from the cascading dropdowns?

Apr 4 '08 #1
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