Thanks - I hadn't thought about that! And it works PERFECTLY!!!

Thanks again Fred!
-K-

-----Original Message-----
From: ProfoxTech [mailto:[email protected]] On Behalf Of
Fred Taylor
Sent: Friday, October 05, 2012 5:42 PM
To: [email protected]
Subject: Re: Logical Data and a Conundrum

If the field doesn't support nulls, you can use ISBLANK(fieldname).
 Returns true if there is no value set, false if a value is set.

Fred


On Fri, Oct 5, 2012 at 2:10 PM, Kurt Wendt <[email protected]> wrote:

> I have this small pop-up window on a screen - that was a custom change
> required by a client. They now wanted more changes - including this
deal
> where there is a Yes/No regarding a Date Field being Required. The
> Conundrum is that they want one of them to Default to a Yes. Now, in
the
> DBF - for the Yes/No fields I am using a Logical field. But, for a
> pre-existing data record - those Logical fields are all Blank - which
> essentially evaluates to a False. When the screen reads the data - it
> sees all the blank fields as False. And, if I try to Default one of
> those things to a True - how do I know whether the field was set to
> False by a User - and now the program is trying to push it to be
> True/Yes?
>
>
>
> For the pre-existing records - with Blanks in the fields - is there a
> way I can test for them being Blank/Un-Modified vs. False?
>
>
>
> The other option - as suggested by my QA Tech buddy - is to replace
the
> field with True through out the Whole DBF file - and, I would also
have
> to change the program that initially Creates the DBF record - and
change
> it to force that field value to a True to start off with...
>
>
>
> Thanks,
>
>  -K-
>
>
>
> Senior Developer
>
> Waitex Information System, Inc.
>
> P Save a tree. Don't print this e-mail unless it's really necessary.
>
>
>
>
>
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[excessive quoting removed by server]

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