SAP Library - Find your answers

Steevy,
Something seems screwy here. If the domain used to define the field in question is set up to allow lower-case entry, SE16 will not convert the entry on the selection screen to upper case. If it is not set to allow lower-case, all entries in the database should be upper-case only.
Could it be that the domain does not allow lower-case entry, but a data conversion program (or some other ABAP program or interface) has violated that rule and written lower-case data to the database?
I had that situation once. There was an interface writing lower-case data to a database field that, according to the domain, did not allow lower-case entry. I first corrected the interface program, ensuring that the entries for this field were converted to upper-case before writing to the database. I then wrote an ABAP program to go through all entries already in the database and ensure that they were all upper-case. It was a pain, but not too much of a pain.
Cheers,
Terry
P.S. If you are on at least version 4.0 of R/3 try using SE16N instead of SE16; you'll love it!
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From: Steevy92 via sap-abap [mailto:sap-abap@Groups.ITtoolbox.com]
Sent: Wednesday, July 29, 2009 1:19 PM
To: Barker.Terence.A
Subject: [sap-abap] SE16 - Lowercase
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Dear all,
I want to select data in a table with SE16 Tcode.
To do so, I enter a value in a criteria field.
This value contains characters that can be uppercase but also lowercase.
When I enter the value in the selection field, SAP converts it into uppercase.
As a result, the request fails : no record is selected.
How can I do to make lowercase relevant in my selection field ?
Many thanks to all. __.____._