ASP.NET页面之间传值的方式之Application实例详解_实用技巧_

 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Security; using System.Web.Services.Description; using System.Web.SessionState; namespace WebApplication { public class Global : System.Web.HttpApplication { protected void Application_Start(object sender, EventArgs e) { Application.Lock(); Application["count"] = 0; //Application.Set("count",0) /Application.Add("count",0) 初始化变量，这个作用等同，都是将count设置为0。 Application["online"] = 0; Application.UnLock(); } protected void Session_start(object sender, EventArgs e) { Application.Lock(); Application["count"] = (int)Application["count"] + 1; Application["online"] = (int)Application["online"] + 1; Application.UnLock(); } protected void Session_end(object sender, EventArgs e) { Application.Lock(); Session.Abandon();//当以一个会话结束后，注销该会话 Application["online"] = (int)Application["online"] - 1; Application.UnLock(); } } }

 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication { public partial class Index : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write("
总访问人数是：" + Application["count"]); Response.Write("
当前在线人数是：" + Application["online"]); } } }