public DataProviderExcel()
            : base()
        {
            uiControl       = null;
            uiModifyControl = null;
            DataUpdate     += DataProviderTradeDetail_DataUpdate;

            api = APIMain.Instance;
        }
        public override DPModifyControl GetModifyUserInterface()
        {
            if (uiModifyControl == null)
            {
                uiModifyControl = new DPModifyExcel(PropertyValues);
            }

            uiModifyControl.InitializeControl();

            return(uiModifyControl);
        }