using System;        using System.Collections.Generic;        using System.Linq;        using System.Web;        using System.Web.UI;        using System.Threading;        using System.Web.UI.WebControls;                public partial class muti_thread : System.Web.UI.Page        {            protected void Page_Load(object sender, EventArgs e)            {                Thread Thread1 = new Thread(new ThreadStart(CalcSum));                Thread Thread2 = new Thread(new ThreadStart(CalcGap));                        Thread1.Start();                Thread2.Start();                        Thread1.Join();                Thread2.Join();            }                            //求和方法              protected  void CalcSum()            {                long sum = 0;                for (long i = 0; i < 100; i++)                {                    sum += i;                    Response.Write(string.Format("Thread1-->i={0}:sum={1}<br/>", i, sum));                    Response.Flush();                    System.Threading.Thread.Sleep(5000);                            }            }                    //求差方法              protected void CalcGap()            {                long gap = 0;                for (long i = 100; i >= 0; i--)                {                    gap = i - 1;                    Response.Write(string.Format("Thread2-->i={0}:gap={1}<br/>", i, gap));                    Response.Flush();                    System.Threading.Thread.Sleep(1000);                }            }        }