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<%@ Page Language="C#" Debug="true" %>
<script runat="server">
void Page_Load()
{
if (Page.IsPostBack)
lblOut.Visible = !lblOut.Visible;
}
</script>
<html>
<head>
</head>
<body>
<form runat="server">
Click Submit several times
<asp:Button id="Button1" runat="server" Text="Submit"></asp:Button>
<asp:Label id="lblOut" runat="server" text="See Me"></asp:Label>
</form>
</body>
</html>
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