取得頁面執行時間的代碼
在global.asax.cs文件中

protected void application_beginrequest(object sender, eventargs e)
{
   application["starttime"] = system.datetime.now;
 }
protected void application_endrequest(object sender, eventargs e)
 {
   system.datetime starttime = (system.datetime)application["starttime"];
   system.datetime endtime = system.datetime.now;
   system.timespan ts = endtime - starttime;
   response.write("頁面執行時間:"+ ts.milliseconds +" 毫秒");
  }