partial void DeleteTRAI_CAY(TRAI_CAY instance);
partial void UpdateTRAI_CAY(TRAI_CAY instance);
private void detach_TRAI_CAYs(TRAI_CAY entity) { this.SendPropertyChanging(); entity.LOAI_TRAI_CAY = null; }
partial void InsertTRAI_CAY(TRAI_CAY instance);
private void attach_TRAI_CAYs(TRAI_CAY entity) { this.SendPropertyChanging(); entity.LOAI_TRAI_CAY = this; }