While this is a long-shot, search for viewdraw.ini and check for the following:
| Turning this on will enable case preservation for attribute values. This
| may sound interesting, but it can raise havoc with downstream tools, as
| well as with older tools that don't supprt mixed-case.
PRESERVE_CASE 1 | turn on case preservation
If you have a '0' instead of a '1' that might explain your problem.