Edu*_*eni 17
void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
Application["OnlineUsers"] = 0;
}
void Session_Start(object sender, EventArgs e)
{
// Code that runs when a new session is started
Application.Lock();
Application["OnlineUsers"] = (int)Application["OnlineUsers"] + 1;
Application.UnLock();
}
void Session_End(object sender, EventArgs e)
{
// Code that runs when a session ends.
// Note: The Session_End event is raised only when the sessionstate
// mode is set to InProc in the Web.config file.
// If session mode is set to StateServer or SQLServer,
// the event is not raised.
Application.Lock();
Application["OnlineUsers"] = (int)Application["OnlineUsers"] - 1;
Application.UnLock();
}
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注意: Application.Lock和Application.Unlock方法用于防止多个线程同时更改此变量.
验证SessionState是否为"InProc"以使其正常工作
<system.web>
<sessionState mode="InProc" cookieless="false" timeout="20" />
</system.web>
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Visitors online: <%= Application["OnlineUsers"].ToString() %>
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注意:代码最初是从http://www.aspdotnetfaq.com/Faq/How-to-show-number-of-online-users-visitors-for-ASP-NET-website.aspx复制的(链接不再有效)
Gul*_*zim 11
ASP.NET状态服务器会话活动(活动用户会话数)等ASP.NET性能计数器可以帮助您.然后,您只需从管理页面中阅读并显示性能计数器即可.
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