Hey... Why do you require to pass a script to the client and process to change the visibility of the control, when you simply can change Me.ddlTest2.Visible = false By this way you are eventually making your response smaller, as if a servercontrol visible is false, it will not rendered to the client. :rose: Or if you need Javascript fix, just use simple AJAX call (May be using ICallBackEventHandler) from the Javascript, and get the status of the Clientside control, and do display=none from javascript. Dont need UpdatePanel for such a small need.. .:rose::rose:
Abhishek Sur My Latest Articles Working with Excel using MDAC
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