Re: catch 22
On Thursday 16 August 2001 14:18, George Walters wrote:
>
> Irv, I understand what you are saying but I basically disagree with that
> approach (that was the way it was back in 1960 with IBM 3270 stuff). For
> example on a customer entry screen you don't know what the valid entries
> could be until you know who the customer is(i.e some demand PO's others are
> only COD, and so on). I would also think it would be irritating to a user
> to enter an entire form and not fuss at them at the point of entry but have
> a bunch of edit errors blown back at him.
Then the "Windows way" - which isn't all that bad, after all - would
be to not even SHOW the other possibilities until the customer had been
selected. Somewhat along the lines of the tabbed control sample I sent
you some time back.
For example, you create a new order, and select a customer.
Based on that selection (actually, on what options are stored for
that customer) you either open the COD screen (no chance for
error there) or the P.O. screen, or whatever.
Since there are likely to be several differences in the types of info
you'll need for a COD order, compared to an open account order, it's
nice not to have to wade thru non-applicable questions. You cut down
on mistakes that way, as well as speed up the work. Someone who's
new to the system finds it easier to know what to do.
There's a lot to be said for simplification.
Regards,
Irv
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