Object Array var complexData = new[] { new { Month = "Janaury", Year = 2020, CustomerName = "Alfreds Futterkiste", OrderDetails = new[] { new { OrderDate = "25/09/2015", Category = new[] { new { CName = "Beverages", Products = new[] { new { PName = "Chai" }, new { PName = "Aniseed Syrup" } } }, new { CName = "Confections", Products = new[] { new { PName = "Pavlova" }, new { PName = "Teatime Chocolate Biscuits" } } } }, SupplierDetails = new[] { new { Supplier = "Ian Devling", ContactName = "Ian Devling", ContactTitle = "Marketing Manager", Phone = "(03) 444-6588" }, new { Supplier = "Specialty Biscuits, Ltd.", ContactName = "Peter Wilson", ContactTitle = "Sales Representative", Phone = "(161) 555-4448" }, new { Supplier = "Exotic Liquids", ContactName = "Charlotte Cooper", ContactTitle = "Purchasing Manager", Phone = "(171) 555-2222" } } } } } };