Visual Studio 2008 and onward provides LinqToSql(.dbml) Item to automatically create entities, generate classes and provides a designer to manipulate those entities classes. Inserting new Data in tables : Inventory newCar = new Inventory(); newCar.Make = "Yugo"; newCar.Color = "Pink"; newCar.PetName = "Betty"; newCar.CarID = newCarID; ctx . Inventories . InsertOnSubmit (newCar); ctx . SubmitChanges() ; Updating Data : v...