ASP.NET MVC在线人数统计

protected void Application_Start()

{

    Application["OnLineUserCount"] = 0;

    AreaRegistration.RegisterAllAreas();



    RegisterGlobalFilters(GlobalFilters.Filters);

    RegisterRoutes(RouteTable.Routes);

}



protected void Session_Start(object sender, EventArgs e)

{

    Application.Lock();

    Application["OnLineUserCount"] = Convert.ToInt32(Application["OnLineUserCount"]) + 1;

    Application.UnLock();

}



protected void Session_End(object sender, EventArgs e)

{

    Application.Lock();

    Application["OnLineUserCount"] = Convert.ToInt32(Application["OnLineUserCount"]) - 1;

    Application.UnLock();

}