Cannot hit the if condition by function's return value

                       If CheckTSTrend(temptimeStart, recid) = True Then
                            'Get data and upload
                            GetTrendData pqdifLogicalObj, pRecordObserv, TrendData
                        End If

Cannot get to the  GetTrendData, though CheckTSTrend is true

The function is as below,

    MyRs.Open strSQL, cn
    If Not MyRs.EOF Then
        If CStr(timeStart) > MyRs(0) Then
            CheckTSEvent = True
        Else
            CheckTSEvent = False
        End If
    End If
   
'    cmd.Execute
    cn.CommitTrans
    cn.Close

End Function