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On 2012-11-06, at 11:08 AM, rpg400-l-request@xxxxxxxxxxxx wrote:
One nice thing about using SQL to build subfiles is that you can do some
fancy alternate sorting by manipulating the ORDER BY clause. Done right,
this can give the user the ability to sort ascending or descending by
any column in the subfile.
Just a comment on this. I always find that this method confuses users. When you are looking at data and you request a sort on the subfile, the data you expect to get back is a reordered version of what you just saw. But with this approach the data being retrieved may not match due to updates in the interval. Not uncommon in a system with a lot of transactions. I've seen users puzzle over a screen for a long time trying to find an item they thought they'd seen in a different sequence.
I load most subfiles into an array when they fit (and a user space when they don't) and that way I can sort the same data over and over. User has an option to refresh when they want.
Just a thought.
Jon Paris
www.partner400.com
www.SystemiDeveloper.com
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