public List <AbisMonitor.Domain.AbisDeviceSimple> GetAbisDeviceSimpleList() { string queryString = @"SELECT bts.DataNum, device.DeviceName, device.DeviceNum, bts.PortNum, device.IPAddress, bts.BTS_Name, bts.SlotNum FROM mtbtstable bts Inner JOIN mtabisdevicetable device ON bts.DeviceNum = device.DataNum GROUP BY device.DeviceName,bts.BTS_Name ORDER BY device.DeviceNum,bts.PortNum,bts.SlotNum;"; var list = SearchDataService.SearchData <AbisDeviceSimple>(queryString); return(list == null ? null : list.ToList()); }