如何记录asp.net站点重启的原因？

在站点执行Application_End事件中添加记录方法。在Global.asax.cs文件中添加如下代码即可：

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void Application_End(object sender, EventArgs e) {     //  Code that runs on application shutdown     RecordEndReason(); }   protected void RecordEndReason() {     HttpRuntime runtime = (HttpRuntime)typeof(System.Web.HttpRuntime).InvokeMember("_theRuntime",         BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.GetField,         null,         null,         null);       if (runtime == null)         return;       string shutDownMessage = (string)runtime.GetType().InvokeMember("_shutDownMessage",         BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.GetField,         null,         runtime,         null);       string shutDownStack = (string)runtime.GetType().InvokeMember(         "_shutDownStack",         BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.GetField,         null,         runtime,         null);       EventLog log = new EventLog();       log.Source = "ASP.NET 2.0.50727.0";     log.WriteEntry(String.Format("\r\n\r\n_shutDownMessage={0}\r\n\r\n_shutDownStack={1}", shutDownMessage, shutDownStack), EventLogEntryType.Information); }

以上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。