public static void Register(HttpConfiguration config) { //Generate Breeze entity data model using (var context = new CustomerContext()) { config.Routes.MapODataRoute( routeName: "odata", routePrefix: "odata", model: context.GetEdm(), batchHandler: new DefaultODataBatchHandler(GlobalConfiguration.DefaultServer) ); } //enable CORS config.EnableCors(new EnableCorsAttribute("*", "*", "*", "DataServiceVersion,MaxDataServiceVersion")); }