This isn't a CLR related question. I suggest you post questions like
this to one of the microsoft.public.dotnet.framework.aspnet groups
instead.
>Is there any java script to do this functionality...
You can handle the onchange event of the SELECT element.
Mattias

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Mattias Sjögren [C# MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
Please reply only to the newsgroup.