Re: Proper handling of subfiles

["Glenn Gundermann" <ggundermann@xxxxxx>]

Doug, 

There is an article from MC Press that might help you out.
It's titled: TechTip: Checking for User-Changed Screen Data by Doug 
Eckersley and it was just published this month.
Try this link:
http://www.mcpressonline.com/mc/.6b315131!more=1#more 

Hope this helps. 

Glenn 


Douglas W. Palme writes: 

> I have a question that has bothered me for sometime now, regarding how to 
> properly handle entry in a subfile. 
>
> I will attempt to put this into context of a three field subfile containing 
> ten rows. 
>
> All three fields are type ALPHA, 5 characters in length.... 
>
> Using RPG I can check the subfile to see if there were any records that were 
> changed, IE: added and can then verify the data before writing it to the 
> file.  In theory that is fandamntastic.  However what is the proper way to 
> handle say the second row of data where the user initially entered something 
> and then decided naw, isn't needed or was a mistake so they removed it.  
>
> If I understand how the next changed record works, it will come up with both 
> lines 1 and 2 even though 2 really has not been changed.....IE: no data 
> contained within. 
>
> Suggestions?  Or do I need to check each possible line and if there is no 
> data, end the processing. 
>
> Douglas