DDS screen: how to ensure field keyed is numeric for alpha-described field -- MIDRANGE-L

Subject: DDS screen: how to ensure field keyed is numeric for alpha-described field
From: "Stone, Joel" <StoneJ@xxxxxxxxxxxxxxxx>
Date: Tue, 11 Jul 2000 12:23:05 -0400

Title: DDS screen: how to ensure field keyed is numeric for alpha-described field

Our database cust# is an alpha field, but we only want to allow numeric entries into the field.

What is a good way to ensure data keyed into a field is numeric using DDS screens?

I can't chain to the cust file in some cases because ranges are allowed, for example two fields exist on the screen to key a start cust# and an end cust#.

Also, I dont want to allow an entry such as "0 0 0" (problem, spaces in between).

What is the simplest way to accomplish this?

TIA

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Follow-Ups:

Re: DDS screen: how to ensure field keyed is numeric for alpha-descri bed field , Dave Schnee
Re: DDS screen: how to ensure field keyed is numeric for alpha-described field , James W. Kilgore
Re: DDS screen: how to ensure field keyed is numeric for alpha-descri bed field , Pete Hall

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