记录asp.net网站是什么原因导致停止运行的代码

<br>protected void Application_End(object sender, EventArgs e) <br>{ <br>RecordEndReason(); <br>} <br><br>/// <summary> <br>/// 记录网站停止运行原因 <br>/// </summary> <br>protected void RecordEndReason() <br>{ <br>HttpRuntime runtime = (HttpRuntime)typeof(System.Web.HttpRuntime).InvokeMember("_theRuntime", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.GetField, <br>null, <br>null, <br>null); <br>if (runtime == null) <br>return; <br>string shutDownMessage = (string)runtime.GetType().InvokeMember("_shutDownMessage", <br>System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.GetField, <br>null, <br>runtime, <br>null); <br>string shutDownStack = (string)runtime.GetType().InvokeMember( <br>"_shutDownStack", <br>System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.GetField, <br>null, <br>runtime, <br>null); <br>string reasonString="网站Application_End，停止运行,shutDownMessage=" + shutDownMessage + ",shutDownStack=" + shutDownStack; <br>LogHelper.WriteErrorLog(reasonString,null); <br>LogHelper.WriteSmtp(reasonString, null); <br>//以下方法将重启的原因和重启时的堆栈信息记录到了windows的事件查看器中,当然你也可以记录到文本文件中。 <br>//EventLog log = new EventLog(); <br>//log.Source = "ASP.NET 2.0.50727.0"; <br>//log.WriteEntry(String.Format("\r\n\r\n_shutDownMessage={0}\r\n\r\n_shutDownStack={1}", shutDownMessage, shutDownStack), EventLogEntryType.Information); <br>} <br> <br>效果截图<br><img src="https://img.gxlcms.com//Uploads-s/new/2019-09-19-201919/201403311650183.gif">