partial void DeleteHandicap(Handicap instance);
 partial void UpdateHandicap(Handicap instance);
		private void detach_Handicaps(Handicap entity)
		{
			this.SendPropertyChanging();
			entity.Year = null;
		}
 partial void InsertHandicap(Handicap instance);
		private void attach_Handicaps(Handicap entity)
		{
			this.SendPropertyChanging();
			entity.Year = this;
		}