private void detach_Units(Unit entity)
		{
			this.SendPropertyChanging();
			entity.Unit1 = null;
		}
		private void attach_Units(Unit entity)
		{
			this.SendPropertyChanging();
			entity.Unit1 = this;
		}
 partial void UpdateUnit(Unit instance);
 partial void DeleteUnit(Unit instance);
 partial void InsertUnit(Unit instance);