public DataTable QuerySwitch(QueryType QT, ArrayList ParameterList)
        {
            CGD.VDS_CGD03_DBO CGDM = new VDS_CGD03_DBO(ref USEDB);
            DataTable Dt;

            try
            {
                switch (QT)
                {
                    case QueryType.QueryPickStation:
                        Dt = CGDM.QueryPickStation(ParameterList);
                        break;

                    case QueryType.QueryPickLocate:
                        Dt = CGDM.QueryPickLocate(ParameterList);
                        break;

                    case QueryType.GetPickOutItem:
                        Dt = CGDM.GetPickOutItem(ParameterList);
                        break;

                    case QueryType.QueryDefaultStation:
                        Dt = CGDM.QueryDefaultStation(ParameterList);
                        break;

                    case QueryType.SetPickLocateNo:
                        Dt = CGDM.SetPickLocateNo(ParameterList);
                        break;

                    case QueryType.GetMultiStationNo:
                        Dt = CGDM.GetMultiStationNo(ParameterList);
                        break;

                    case QueryType.CheckMultiStationItem:
                        Dt = CGDM.CheckMultiStationItem(ParameterList);
                        break;

                    case QueryType.Label:
                        Dt = CGDM.ExpPickLoacte(ParameterList);
                        break;

                    case QueryType.REPORT:
                        Dt = CGDM.PrintPickLineItem(ParameterList);
                        break;

                    default:
                        Dt = new DataTable();
                        break;
                }

                return Dt;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }