Timers

using System.Timers;

 

protected void Application_Start(Object sender, EventArgs e)

     {

        System.Timers.Timer timer = new System.Timers.Timer(1000);

 

           //AutoReset 属性为 true 时，每隔指定时间循环一次；

           //如果为 false，则只执行一次。

            timer.AutoReset = true;

            timer.Enabled = true;

            timer.Elapsed += new System.Timers.ElapsedEventHandler(this.setTime);

           

            Application.Lock();

            Application["time"] = DateTime.Now.ToString();

            Application.UnLock();

       }

        public void setTime(Object sender, ElapsedEventArgs e)

      {

           Application.Lock();

           Application["time"] = DateTime.Now.ToString();

           Application.UnLock();

       }