public List <KeyValue> GetCanReturn(string order, int returntype) { var l = _stockoutRepository.GetCanReturnType(returntype); if (order != null && order != "") { return(l.Where(item => item.text.Contains(order.ToUpper()) || item.column1.Contains(order.ToUpper()) || item.column2.Contains(order.ToUpper()) || item.column3.Contains(order.ToUpper())).ToList()); } else { return(l); } }