Specifies why the AppDomain class shut down.
The System.Web.ApplicationShutdownReason represents the possible values for the System.Web.Hosting.HostingEnvironment.ShutdownReason property of the System.Web.Hosting.HostingEnvironment class.
A change was made to the Bin folder or to files in it.
A change was made to the App_Browsers folder or to files in it.
A change was made to the Global.asax file.
A change was made in the code access security policy file.
A change was made to the App_Code folder or to files in it.
A change was made to the application-level configuration file.
The hosting environment shut down the application domain.
A call was made to HttpRuntime.Close.
The maximum idle time limit was reached.
An AppDomain initialization error occurred.
The maximum number of dynamic recompiles of resources was reached.
No shutdown reason was provided.
A change was made to the physical path of the application.
A change was made to the App_GlobalResources folder or to files in it.
A call was made to HttpRuntime.UnloadAppDomain.