static void Main(string[] args) { using (NORTHWINDEntities ctx = new NORTHWINDEntities()) { Console.WriteLine("\nGet product..."); Console.ReadLine(); Product chai = ctx.Products.Find(1); Display(ctx, chai); Console.WriteLine("\nUpdate price..."); Console.ReadLine(); ++chai.UnitPrice; Display(ctx, chai); Console.WriteLine("\nCreate new product..."); Console.ReadLine(); Product kahula = new Product() { ProductName = "Kahula Coffee", UnitPrice = 10 }; Display(ctx, kahula); Console.WriteLine("\nAdd new product tocontext..."); Console.ReadLine(); ctx.Products.Add(kahula); Display(ctx, kahula); Console.WriteLine("\nSave changes...."); Console.ReadLine(); ctx.SaveChanges(); Display(ctx, chai); Display(ctx, kahula); Console.WriteLine("\nDelete kahula..."); Console.ReadLine(); ctx.Products.Remove(kahula); Display(ctx, kahula); Console.WriteLine("\nSave changes...."); Console.ReadLine(); ctx.SaveChanges(); Display(ctx, kahula); Console.WriteLine("Finished"); Console.ReadLine(); } }