internal static void ThrowIfCodeDomDefinedExtension(string virtualPath, HttpException e) { if (e is HttpCompileException) { var extension = Path.GetExtension(virtualPath); if (InfrastructureHelper.IsCodeDomDefinedExtension(extension)) { throw new HttpException(String.Format(CultureInfo.CurrentCulture, WebPageResources.WebPage_FileNotSupported, extension, virtualPath)); } } }