private void LoadAccountsReceivableData()
        {
            try
            {
                SIS.DBClass.DBClassAccountsReceivable DBCAR = new DBClass.DBClassAccountsReceivable();
                DBCAR.DeleteAllData();

                string SQLCommand = "DECLARE @tempData TABLE( " +
                                    "[ShipID] [nvarchar](20) NULL, " +
                                    "[CustomerID] [nvarchar](20) NULL, " +
                                    "[CNAME] [nvarchar](20) NULL, " +
                                    "[UnpaidAmount] [int] NULL, " +
                                    "[ReversalAmount] [int] NULL) " +
                                    "INSERT INTO @tempData " +
                                    "SELECT  ShipMaster.ShipID,ShipMaster.CustomerID, " +
                                    "CustomerInfo.CNAME , ResultUnpaidAmout = case  " +
                                    "When RMAMaster.UnpaidAmount is null Then ShipMaster.UnpaidAmount " +
                                    "Else " +
                                    "RMAMaster.UnpaidAmount " +
                                    "End ,ReversalAmount  = case " +
                                    "When Reversal.ReversalAmount is null Then 0 " +
                                    "Else " +
                                    "Reversal.ReversalAmount " +
                                    "End " +
                                    "FROM  ShipMaster INNER JOIN " +
                                    "CustomerInfo ON ShipMaster.CustomerID = CustomerInfo.CustomerID " +
                                    "LEFT JOIN RMAMaster ON ShipMaster.ShipID = RMAMaster.StockIDOrShipID " +
                                    "LEFT JOIN Reversal ON Reversal.StockIDOrShipID = ShipMaster.ShipID " +
                                    "WHERE ShipMaster.UnpaidAmount < 0  AND (RMAMaster.UnpaidAmount is null or RMAMaster.UnpaidAmount < 0) " +
                                    "Select * , (UnpaidAmount + ReversalAmount) as Surplus From @tempData";

                My.MyDatabase myDB = new My.MyDatabase();
                DataTable     dt   = myDB.CreateDataTable(SQLCommand, "TempAccountsReceivable");
                myDB.BulkCopyToTable(dt, "AccountsReceivable");
            }
            catch (Exception ex)
            {
                MessageBox.Show("錯誤訊息:" + ex.Message.ToString(), "發生例外");
            }
        }