public DataView getOutputTable(string query, string sort)
        {
            DataTable outputDataTable = new DataView(transactionDataTable, query, sort, DataViewRowState.CurrentRows).ToTable();

            outputDataTable.Columns.Add("TRANSACTION_NUM");
            outputDataTable.Columns.Add("TOTAL_COST");
            outputDataTable.Columns.Add("PROFIT");
            outputDataTable.Columns.Add("TAX");
            outputDataTable.Columns.Add("FINAL_PROFIT");
            outputDataTable.Columns.Add("NOTE");

            decimal outputTotalCost, outputProfit, outputTax;
            int     rows  = outputDataTable.Rows.Count;
            int     count = 0;

            while (count < rows)
            {
                outputDataTable.Rows[count].BeginEdit();
                // 출력 - 거래날짜 항목
                string tDate = outputDataTable.Rows[count]["TRANSACTION_DATE"].ToString();
                outputDataTable.Rows[count]["TRANSACTION_DATE"] = string2DateFormat(tDate);
                // 출력 - 수량
                outputDataTable.Rows[count]["TRANSACTION_NUM"] = 1;
                // 출력 - 원가
                int transactionIndex = Int32.Parse(outputDataTable.Rows[count]["TRANSACTION_INDEX"].ToString());
                outputTotalCost = totalCostOfTransaction(transactionIndex);
                outputDataTable.Rows[count]["TOTAL_COST"] = outputTotalCost.ToString("N0");
                // 출력 - 이익
                decimal supplyPrice = (decimal)outputDataTable.Rows[count]["SUPPLY_PRICE"];
                outputProfit = supplyPrice - outputTotalCost;
                outputDataTable.Rows[count]["PROFIT"] = outputProfit.ToString("N0");
                // 출력 - 부가세
                if (outputProfit < 0)
                {
                    outputProfit = 0;
                }
                outputTax = (Decimal)Math.Round(Decimal.ToDouble(outputProfit) * 0.1);
                outputDataTable.Rows[count]["TAX"] = outputTax.ToString("N0");
                // 출력 - 순이익
                outputDataTable.Rows[count]["FINAL_PROFIT"] = (outputProfit - outputTax).ToString("N0");
                // 출력 - 비고
                outputDataTable.Rows[count]["NOTE"] = noteOfTransaction(transactionIndex);
                outputDataTable.Rows[count].EndEdit();
                outputDataTable.AcceptChanges();
                count++;
            }

            return(new DataView(outputDataTable));
        }