asp.net页面关闭执行方法 - .NET技术 / ASP.NET

protected void OnUnload()
  {
  //学校ID
  Guid SchoolID = Session["de_School_ID"] == null ? Guid.Empty : new Guid(Session["de_School_ID"].ToString());


  //当前登录用户
  Com.DRPENG.SDXY.BasicData.DataModel.User user = Session["Login_User_M"] == null ? null : Session["Login_User_M"] as Com.DRPENG.SDXY.BasicData.DataModel.User;
   
  SysLogManager.DAL.DLogInfo logMng = new SysLogManager.DAL.DLogInfo();

  SysLogManager.Model.LogInfo logInfo = new SysLogManager.Model.LogInfo();

  logInfo.UserID = user.ID;
  logInfo.UserName = user.LoginName;
  logInfo.SchoolID = SchoolID;
  logInfo.LogType = SysLogManager.Model.LogTypes.logout;
  logInfo.CreateDate = DateTime.Now;
  logInfo.Remark = "退出";
  System.Net.IPAddress[] addressList = System.Net.Dns.GetHostByName(System.Net.Dns.GetHostName()).AddressList;
  if (addressList.Length > 1)
  {
  logInfo.IpAddress = addressList[0].ToString();
  }
  else
  {
  logInfo.IpAddress = addressList[0].ToString();
  }
  logMng.Save(logInfo);
  }<