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);  
            }  
        }  
    }