partial void DeleteBaseVehicle(BaseVehicle instance);
 partial void UpdateBaseVehicle(BaseVehicle instance);
		private void detach_BaseVehicles(BaseVehicle entity)
		{
			this.SendPropertyChanging();
			entity.vcdb_Year = null;
		}
 partial void InsertBaseVehicle(BaseVehicle instance);
		private void attach_BaseVehicles(BaseVehicle entity)
		{
			this.SendPropertyChanging();
			entity.vcdb_Model = this;
		}