public AttendanceMaster ViewAttendance(int id) { AttendanceMaster attendanceMaster = new AttendanceMaster(); string qry = @"SELECT A.Id , M.Id as ModuleId, M.Name as ModuleName , T.Id as TimetableId, concat(T.StartTime, ' - ', T.EndTime, ' (', T.Day, ')') as ClassInformation , C.Id as CourseId, C.Name as CourseName , S.Id as SemesterId, S.Name as SemesterName FROM AttendanceMast A INNER JOIN Timetable T on T.Id = A.TimetableId INNER JOIN Module M on M.Id = T.ModuleId INNER JOIN Course C on C.Id = T.CourseId INNER JOIN Semester S on S.Id = T.SemesterId WHERE A.Id = @id SELECT d.id, s.Id as StudentId, s.name as studentName, d.[status], d.remarks FROM AttendanceDetl D INNER JOIN STUDENT S ON d.StudentId = s.Id WHERE D.MastId = @id"; List <SqlParam> parameters = new List <SqlParam>() { new SqlParam("@id", SqlDbType.Int, id), }; DataSet ds = _dao.ExecuteDataSet(qry, parameters); if (ds != null && ds.Tables[0].Rows.Count > 0) { attendanceMaster = ds.Tables[0].ToList <AttendanceMaster>().FirstOrDefault(); attendanceMaster.details = ds.Tables[1].ToList <AttendanceDetail>(); } return(attendanceMaster); }