public DTO_YeuCauSuaChua getDeviceById(int _id) { DTO_YeuCauSuaChua yeuCauDTO = new DTO_YeuCauSuaChua(); DataTable dataTable = new DataTable(); dataTable = yeuCauDAL.getRequestById(_id); foreach (DataRow dr in dataTable.Rows) { yeuCauDTO.fromDatarow(dr); } return(yeuCauDTO); }