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Jun 16, 2008 08:01 AM|LINK
Page.IsPostBack Gets a value indicating whether the page is being loaded in response to a client postback, or if it is being loaded and accessed for the first time. so to have value of drop down on every selection you have to check whether its PostBack or
in c#.net you can do like
private void Page_Load()
// have drop down value
// to appear before the first roundtrip.
in VB.net you can do like