Re: field validation (was Re: COBOL/DB2 Date edit question)

On Mon, 13 Aug 2007 11:26:01 -0600 "Frank Swarbrick"
<Frank.Swarbrick@xxxxxxxxxxxxxx> wrote:

:>Prior to the mid-1990s all of our data input to the mainframe was your good
:>ol' 3270 green screens. For better or for worse, presentation logic and
:>business logic were implemented in the same CICS program. Data validation
:>was hard coded directly in to the same CICS program.

:>We then started utilizing some distributed (Windows) applications to perform
:>some of these functions. The same (if slightly modified) CICS programs
:>still existed on the back end and were utilized by the distributed
:>applications to actually get the data from there to here (the mainframe).
:>All of the existing data validation remained in the CICS programs, but much
:>of the same logic was also put in to the distributed application.

There are two kinds of validations, syntax and appropriateness.

An amount must be numeric (syntax) and be within a certain range
(appropriate).

February 30th fails on syntax, while Mar 23rd may fail due to being in the
wrong quarter, or wrong day of the week.

--
Binyamin Dissen <bdissen@xxxxxxxxxxxxxxxxxx>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


Should you use the mailblocks package and expect a response from me,
you should preauthorize the dissensoftware.com domain.

I very rarely bother responding to challenge/response systems,
especially those from irresponsible companies.
.

Relevant Pages

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  • Re: field validation (was Re: COBOL/DB2 Date edit question)
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