Checks whether the Browser supports(enabled) Javascript or not

 Protected Sub btnBrowser_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnBrowser.Click

        'Checks whether the Browser supports(enabled) Javascript or not 

        If Request.Browser.JavaScript = True Then

            Response.Write("Browser supports JavaScript.")

        Else

            Response.Write("Browser does not supports JavaScript.")

        End If

    End Sub