partial void DeleteRaion(Raion instance);
 partial void UpdateRaion(Raion instance);
		private void detach_Raion(Raion entity)
		{
			this.SendPropertyChanging();
			entity.Region = null;
		}
 partial void InsertRaion(Raion instance);
		private void attach_Raion(Raion entity)
		{
			this.SendPropertyChanging();
			entity.Region = this;
		}