Sharing subfiles between RPG programs with OVRDSPF SHARE(*YES) -- RPG400-L

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After following the recent thread about problems with windowed subfiles, Ithought about a prototype that I built years ago for performing lookups.


Warning...this is greatly simplified...

Problem:
In ProgramA, I have a data-entry subfile named OrderDtl for order entry.

There is a input-capable field in the data-entry subfile for the Itemnumber.

I have another program (ProgramB) that allows you to perform item lookups bypositioning to an item number and paging through a windowed subfile namedItemDtl in order to select the item number that you wish to use.



Solution:

I created a single display file DDS (call it Subfiles) containg bothsubfiles, and declared this display file in BOTH ProgramA and ProgramB.

By using OVRDSPF FILE(SUBFILES) SHARE(*YES) before calling ProgramA, I cannow share the subfiles between the two programs, and my Item Lookup programcan directly update the correct subfile record in the OrderDtl record formatwith the Item Number information via the shared display file...


Regards,

Steve

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