private void Button1_Click(object sender, System.EventArgs e)
  {//新建文件
   string path=Server.MapPath("index4.aspx");  
   //Response.Write(DateTime.Now.ToString("yyyymmdd"));
  
   //获得文件名
   int fileLen=path.LastIndexOf(".");
   int pathLen=path.Length;
   string tempName=path.Substring(fileLen,pathLen-fileLen);
   //获取文件路径
   int len=path.LastIndexOf(@"/");
   string tempPath=path.Substring(0,len)+"//"+DateTime.Now.ToString("yyyymmddhhssmm")+tempName;
   try
   {
    File.Create(tempPath);
    Response.Write("<script>alert('新建文件成功');</script>");
   }
   catch(Exception ex)
   {
    Response.Write(ex.ToString());
   }
  }

  private void Button2_Click(object sender, System.EventArgs e)
  {//复制文件
   string path=Server.MapPath("index4.aspx");  
   //Response.Write(DateTime.Now.ToString("yyyymmdd"));
  
   //获得文件名
   int fileLen=path.LastIndexOf(".");
   int pathLen=path.Length;
   string tempName=path.Substring(fileLen,pathLen-fileLen);
   //获取文件路径
   int len=path.LastIndexOf(@"/");
   string tempPath=path.Substring(0,len)+"//"+DateTime.Now.ToString("yyyymmddhhssmm")+tempName;
   try
   {
    File.Copy(path,tempPath);   
    Response.Write("<script>alert('复制文件成功');</script>");
   }
   catch(Exception ex)
   {
    Response.Write(ex.ToString());
   }
  }

  private void Button3_Click(object sender, System.EventArgs e)
  {//删除文件
   string path=Server.MapPath("index4.aspx");  
   //Response.Write(DateTime.Now.ToString("yyyymmdd"));
  
   //获得文件名
   int fileLen=path.LastIndexOf(".");
   int pathLen=path.Length;
   string tempName=path.Substring(fileLen,pathLen-fileLen);
   //获取文件路径
   int len=path.LastIndexOf(@"/");
   //string tempPath=path.Substring(0,len)+"//"+DateTime.Now.ToString("yyyymmddhhssmm")+tempName;
   string tempPath=path.Substring(0,len)+"//"+"20063702021337.aspx";
  
   try
   {
    File.Delete(tempPath);   
    Response.Write("<script>alert('删除文件成功');</script>");
   }
   catch(Exception ex)
   {
    Response.Write(ex.ToString());
   }
  }