partial void UpdateOFFICE(OFFICE instance);
 partial void InsertOFFICE(OFFICE instance);
		private void attach_OFFICEs(OFFICE entity)
		{
			this.SendPropertyChanging();
			entity.Unit = this;
		}
		private void detach_OFFICEs(OFFICE entity)
		{
			this.SendPropertyChanging();
			entity.Unit = null;
		}
 partial void DeleteOFFICE(OFFICE instance);