Re: Modifying an existing subfile RPG 3 program

[Booth Martin <booth@xxxxxxxxxxxx>]

Would you be happier in the end to just write a new subroutine that does 
just the update piece, and do it with a window on the existing screen? 
Then just bypass the relevant section of existing code and leave the 
existing program alone?



steema@xxxxxxxxxxxxx wrote:
> HI Guys,
>
>   I have here an older RPG program to modify. I say RPG 3, bec. it is
> using 'E' specs amongst others.
>
>   The program displays data in several forms. One is the Subfile list of
> header records, w/ a FOLD that then displays individual records, perhaps
> as a subfile also ( a screen of the entire record detail), and in other
> non subfile ways. There is an exisiting provision for changing some data
> but I have not seen this work. (Apparently not all of the features work
> perfectly).
>
>   I need to add some additional functionality. To allow users to modify data.
>
> Since this is a subfile that will have to be updated as well. I am not
> sure if it is better, to add a change code on the listed subfile data of
> the header records, or to put the change in, on the detail display.
>
> My concern is that I will be tampering w/ the RRN or perhaps other
> processes the programmer put in, if I mess around w. the subfile too much.
>
> Perhaps one of my good friends on this list can comment.
>
> Thanks,
> Steve