public void RemovePromotion(PromotionOneData promotionData) { if (_data.IndexOf(promotionData) > -1) { _data.Remove(promotionData); } }
public void RemovePromotionOne(PromotionOneData prom1) { this._promotionOne.RemovePromotion(prom1); this._productNamesPromoted.RemoveAll(u => u.Contains(prom1.ProductName)); }