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<%@ Page Language="C#" Trace="False" Debug="False"%>
<script runat="server">
protected void Page_Load(){
    System.Diagnostics.PerformanceCounter SessionsActiveCounter;
    SessionsActiveCounter = 
        new System.Diagnostics.PerformanceCounter();
    SessionsActiveCounter.CategoryName = "ASP.NET Applications";
    SessionsActiveCounter.CounterName = "Sessions Active";
    SessionsActiveCounter.InstanceName = "__Total__";
    SessionsActiveCounter.MachineName = ".";
        
    lblUsers.Text = SessionsActiveCounter.NextValue().ToString();
}
</script>
<HTML>
<HEAD>
<title>Current Users</title>
</HEAD>
<BODY>
Total Active ASP.NET Sessions on <a href="http://aspalliance.com/">ASPAlliance.com:</a><br/>
<asp:Label id="lblUsers" runat="server" />

</BODY>
</HTML>