<script runtat="sever">
sub Button_click(s as Object,e as eventArgs)
IF s.id="btnHello" Then
lblmessage.text="Hello!"
Else
lblmessage.text="goodbye"
End IF
End sub
</script>
<html>
<head>
</head>
<body>
<p>
click on the button to view the Mesage
</p>
<p>
<asp:Button id="btnHello" runat="server" Text="Click Heree" OnClick="button_click"></asp:Button>
</p>
<p>
<asp:Button id="btnGoodBye" runat="server" Text="Say Goodbye" OnClick="button_click"></asp:Button>
</p>
<p>
<asp:Label id="lblMessage" runat="server" >Label</asp:Label>
</p>
</body>
</html>