//public DateTime ReferenceDate_ { get; set; }

        public ReferenceDateResultViewModel(ResultModel resultModel)
        {
            // TODO: Complete member initialization
            this.resultModel_ = resultModel;
            this.price_ = resultModel.Price_;
            this.unitValue_ = resultModel.UnitPrice_;
            this.referenceDate_ = resultModel.ReferenceDate_;

        }
 public void setResult(ResultModel resultModel)
 {
     this.itemCode_ = resultModel.ItemCode_;
     this.price_ = resultModel.Price_;
     this.unitPrice_ = resultModel.UnitPrice_;
     this.referenceDateResult_ = new ReferenceDateResultViewModel(resultModel);
     this.historyResultViewModel_ = new HistoryResultViewModel();
 }