新建一个空网站，添加Global.asax全局处理。
文件目录如图：
在global类中添加代码：
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using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Security;using System.Web.SessionState;namespace WebApplication{ public class Global : System.Web.HttpApplication { protected void Application_Start(object sender, EventArgs e) { Application["UserCount"] = 0; } protected void Session_Start(object sender, EventArgs e) { try { Application.Lock(); int countUser = (int)Application["UserCount"]; Application["UserCount"] = ++countUser; } catch { } finally { Application.UnLock(); } } |
新建一个web窗体applicationstateread类添加在如下代码：
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public partial class ApplicationStateRead : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { int userCount = (int)Application["UserCount"]; Label1.Text = userCount.ToString(); } }public partial class ApplicationStateRead : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { int userCount = (int)Application["UserCount"]; Label1.Text = userCount.ToString(); } }public partial class ApplicationStateRead : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { int userCount = (int)Application["UserCount"]; Label1.Text = userCount.ToString(); } } |
运行效果图：
原文：http://www.cnblogs.com/chenshizhutou/p/6715263.html