partial void DeleteVehicle(Vehicle instance);
		private void detach_Vehicles(Vehicle entity)
		{
			this.SendPropertyChanging();
			entity.Manufacturer = null;
		}
 partial void UpdateVehicle(Vehicle instance);
		private void detach_Vehicles(Vehicle entity)
		{
			this.SendPropertyChanging();
			entity.Model = null;
		}
 partial void InsertVehicle(Vehicle instance);
		private void attach_Vehicles(Vehicle entity)
		{
			this.SendPropertyChanging();
			entity.Model = this;
		}
		private void detach_Vehicles(Vehicle entity)
		{
			this.SendPropertyChanging();
			entity.VehicleCategory = null;
		}