public DataTable QuerySwitch(QueryType QT, ArrayList ParameterList ) { DBO.SYS_DataAuthTypeDBO DataAuthType = new SYS_DataAuthTypeDBO(ref USEDB); DataTable Dt; try { switch (QT) { case QueryType.ALL: Dt = DataAuthType.doQueryAll(); break; case QueryType.CODE: Dt = DataAuthType.doQueryByCode(ParameterList); break; case QueryType.ID: Dt = DataAuthType.doQueryByID(ParameterList); break; case QueryType.Custom: Dt = DataAuthType.doQueryByFind(ParameterList); break; default: Dt = new DataTable(); break; } return Dt; } catch (Exception ex) { throw ex; } }