关于代码中的product？
// Create the DataServiceContext using the service URI.NorthwindEntities context = new NorthwindEntities(svcUri);// Create the new product.Product newProduct = Product.CreateProduct(0, "White Tea - loose", false);// Set property values.newProduct.QuantityPerUnit = "120gm bags";newProduct.ReorderLevel = 5;newProduct.UnitPrice = 5.2M;try{ // Add the new product to the Products entity set. context.AddToProducts(newProduct); // Send the insert to the data service. context.SaveChanges(); Console.WriteLine("New product added with ID {0}.", newProduct.ProductID);}catch (DataServiceRequestException ex){ throw new ApplicationException( "An error occurred when saving changes.", ex);}