private static void MapOdataRoutes(HttpConfiguration config)
{
string routeName = "odata";
System.Web.OData.Batch.ODataBatchHandler odataBatchHandler = new System.Web.OData.Batch.DefaultODataBatchHandler(GlobalConfiguration.DefaultServer);
ODataRoute route = config.MapODataServiceRoute(routeName, routeName,
model: ModelConfig.GetModel(),
batchHandler: odataBatchHandler);
}