asp.net判断当前在线人数

来源:互联网 发布:ll 和 优先级 c语言 编辑:程序博客网 时间:2024/05/16 04:47

<script language="c#" runat="Server">
protected void Application_Start(Object sender, EventArgs e)
{
Application["user_sessions"] = 0;
}
protected void Session_Start(Object sender, EventArgs e)
{
Application.Lock();
Application["user_sessions"] = (int)Application["user_sessions"] + 1;
Application.Unlock();
}
protected void Session_End(Object sender, EventArgs e)
{
Application.Lock();
Application["user_sessions"] = (int)Application["user_sessions"] - 1;
Application.Unlock();
}
</script>

Visitors.Text = "本站当前有: <b>" + Application["user_sessions"].ToString() + "" + "</b> 位访问者 !";
}

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