Show Message Box in VB .NET

http://forums.asp.net/p/907491/1019440.aspx

http://www.velocityreviews.com/forums/t77641-calling-javascript-from-a-vbnet-method-confirm.html

http://www.codeproject.com/KB/webforms/NingLiangSimpleControl.aspx

http://www.asp.net/AJAX/AjaxControlToolkit/Samples/ConfirmButton/ConfirmButton.aspx