An open System.IO.TextReader that can be used to read the contents of the BuildProvider.VirtualPath.
Use the erload:System.IO.TextReader.Read method on the returned System.IO.TextReader object to read the contents of the BuildProvider.VirtualPath property for a System.Web.Compilation.BuildProvider object.
After calling the BuildProvider.OpenReader method, you must use the System.IO.TextReader.Close method to close the System.IO.TextReader object and free associated system resources.