Korean characters displays properly in application, but not saved in DB properly

Korean characters are retrieved and displayed properly in VB6 application.  But upon record insertion, it is not properly saved.  See below before and after screenshots.

Retrieval and display of original record

Retrieval and display of saved record

We have tried with setting of "keeporgmultibyte", "set char_convert off", "ODBC User Specified Character Set cp850", unfortunately nothing worked.

Please see below for details of our ASE.

ODBC Driver Installer: Sybase Adaptive Server Enterprise PC Client 12.5.4 GA

ASE ODBC Driver Version:  12.05.01.510

ISQL -V

SELECT @@VERSION

SP_VERSION

SP_HELPSORT