partial void DeleteTrainRoute(TrainRoute instance);
partial void UpdateTrainRoute(TrainRoute instance);
private void detach_TrainRoutes1(TrainRoute entity) { this.SendPropertyChanging(); entity.City1 = null; }
partial void InsertTrainRoute(TrainRoute instance);
private void attach_TrainRoutes1(TrainRoute entity) { this.SendPropertyChanging(); entity.City1 = this; }