var parr = new[]
            {
                new { Category = "Condiments", Products = new Product[] { new Product { ProductId = "10000456", ProductName = "Aniseed Syrup", Price = 30 }, new Product{ ProductId = "10000321", ProductName = "Northwoods Cranberry Sauce", Price = 60 } } },
                new{ Category = "Beverages", Products = new Product[] { } },
                new{ Category = "Seafood", Products = new Product[] { new Product{ ProductId = "10000654", ProductName = "Ikura", Price = 70 }, new Product { ProductId = "10000987", ProductName = "Konbu", Price = 40 } } },
            };