Gets the full physical path to the root Web.config file.
Assembly: System.Web (in System.Web.dll)
If you are implementing your own hosting environment, you may to override this property to return the location of your environment's root configuration file. An example of this is the SimpleWorkerRequest class which provides a simple implementation of the HttpWorkerRequest. The SimpleWorkerRequest.RootWebConfigPath property of SimpleWorkerRequest class overrides the property of HttpWorkerRequest class.