<%@ Page Language="VB" %>
<script runat="server">
Sub Button_Click(Sender As Object, e As EventArgs)
Response.Write(Sender.Text)
End Sub
</script>
<html>
<body>
<form runat="server">
<asp:button id="btSubmit" Text="Submit" runat=server OnClick="Button_Click"/>
</form>
</body>
</html>