partial void DeleteVe(Ve instance);
 partial void UpdateVe(Ve instance);
		private void detach_Ves(Ve entity)
		{
			this.SendPropertyChanging();
			entity.DatVe = null;
		}
 partial void InsertVe(Ve instance);
		private void attach_Ves(Ve entity)
		{
			this.SendPropertyChanging();
			entity.DatVe = this;
		}