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Global.asax.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.SessionState;
using System.Timers;
using System.Net;
using System.IO;
using System.Text;
using System.Threading;
namespace qumiao.com
{
public class Global : System.Web.HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
//¶¨Ò嶨ʱÆ÷
System.Timers.Timer myTimer = new System.Timers.Timer(5000);
myTimer.Elapsed += new ElapsedEventHandler(myTimer_Elapsed);
myTimer.Enabled = true;
 
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Backup.aspx
protected void Button1_Click(object sender, EventArgs e)
{
string path = Server.MapPath("") + @"\Backup";
if (!Directory.Exists(path))
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