private void Seed() { using (var context = new Lab2Context(ContextOptions)) { context.Database.EnsureDeleted(); context.Database.EnsureCreated(); var one = new Rooms { RoomID = 1, Description = "oll", Number = 100, Price = 5 }; var two = new Rooms { RoomID = 2, Description = "fgdhl", Number = 200, Price = 50 }; var three = new Rooms { RoomID = 3, Description = "room", Number = 300, Price = 500 }; context.AddRange(one, two, three); context.SaveChanges(); } }