URL Rewritting: Hide Web Page Extentsion

write this code in ur Global.asax

Private Sub Application_BeginRequest(ByVal sender As Object, ByVal e As EventArgs)
        Dim fullOrigionalpath As String = Request.Url.ToString()
        If Not fullOrigionalpath.EndsWith(".aspx") Then
            Context.RewritePath(fullOrigionalpath.Substring(fullOrigionalpath.IndexOf("/", 9)) & ".aspx")
        End If
End Sub