SQL: Inconsistent "order by"

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When I do an "order by" I do not get consistent results with imbedded SQL
(CRTRPGSQLI).  Yet it works with STRSQL

For example when I do the following with STRSQL it sorts by the specified
column number:
SELECT CMID, CCUST, CNME
FROM DHTDIVF/RCM
ORDER BY 3

But the following program seems to pick a different first row upon every
execution:

      /DEFINE HSpec
      /INCLUDE ROUTINES/QRPGLESRC,HSPEC
      /UNDEFINE HSpec



***************************************************************************
      * Program:      *
      *      *
      *      *
      * Modification log:      *
      * mm/dd/02 by R.Berendt, CCP    Group Dekko Services, LLC      *
      *          Created.      *
      *      *
      * Compilation instructions:      *
      *   (no special instructions this time.)      *
      *      *

***************************************************************************


      /DEFINE DSpec
     D DARREN2         PR                  EXTPGM('DARREN2')
     D  Parm1                              like(OrderBy)
      /INCLUDE ROUTINES/QRPGLESRC,SRVPGMCPY
     D DARREN2         PI      *ENTRY PLIST
     D  Parm1                              like(OrderBy)
     D OrderBy         s              3p 0
     D NewOrderBy      s              5i 0
     D SqlStmt         s          32000a   varying
     D rcm           e ds                  extname(rcm)
      /UNDEFINE DSpec

     C/EXEC SQL
     C+ Set Option Commit = *none
     C/END-EXEC

      /free
       SqlStmt='Select ccust, cnme, cad1, cad2, cste, czip ' +
               'From rcm ' +
               'Order by ?';
       NewOrderBy = Parm1;
      /end-free
     C/EXEC SQL
     C+ Prepare SqlStmt from :SqlStmt
     C/END-EXEC
      /free
       eval Sqlstt=Sqlstt; // debug
      /end-free
     C/EXEC SQL
     C+ Declare CustomerCursor Cursor
     C+ For     SqlStmt
     C/END-EXEC
      /free
       eval Sqlstt=Sqlstt; // debug
      /end-free
     C/EXEC SQL
     C+ Open CustomerCursor using :NewOrderBy
     C/END-EXEC
      /free
       eval Sqlstt=Sqlstt; // debug
      /end-free
     C/EXEC SQL
     C+ Fetch Next
     C+   From CustomerCursor
     C+   Into :ccust, :cnme, :cad1, :cad2, :cste, :czip
     C/END-EXEC
      /free
       eval Sqlstt=Sqlstt; // debug
      /end-free
     C/EXEC SQL
     C+ Close CustomerCursor
     C/END-EXEC
      /free
       eval Sqlstt=Sqlstt; // debug
       *inlr=*on;
       return;
      /end-free

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin