ASP.NET 程序中删除文件夹导致session失效问题的解决办法分享

　　void Application_Start(object sender, EventArgs e)

　　{

　　//在应用程序启动时运行的代码

　　System.Reflection.PropertyInfo p = typeof(System.Web.HttpRuntime).GetProperty("FileChangesMonitor", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static);

　　object o = p.GetValue(null, null);

　　System.Reflection.FieldInfo f = o.GetType().GetField("_dirMonSubdirs", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.IgnoreCase);

　　object monitor = f.GetValue(o);

　　System.Reflection.MethodInfo m = monitor.GetType().GetMethod("StopMonitoring", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);

　　m.Invoke(monitor, new object[] { });

　　}