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At 06:04 PM 12/3/1997 -0500, you wrote:
>SCHENCK_DONALD wrote:
>
>> If you display an empty subfile, you get an error and the program bombs.
>> There is a technique where you write one record to the subfile then
immediately
>> clear the subfile. This prevents the error.
>> But; isn't there a more elegant way to avoid this error. If I mismember
>> correctly, there's a keyword you can use. It's been over two years ...
>
>We use one indicator for the SFLDSPCTL?  (21) keyword, which displays the
control
>record, and one for SFLDSP (22).  We turn on 22 whenever we do a write to
the SFL,
>and 21 whenever we do an EXFMT.
>
>You can also code a SFLERR with N22, "No records found" or whatever.

To add to this, it's been convenient, and usually no problem, to use, say,
22 for SFLDSP and N22 for SFLCLR. Turn off 22 and write control before
loading, then turn on 22 if there are records to display.

Cheers

Vernon Hamberg
Systems Software Programmer
Old Republic National Title Insurance Company
400 Second Avenue South
Minneapolis, MN  55401-2499
(612) 371-1111 x480


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