From: Joe on
Al, Karl, John - I really appreciate your input into my question. I now have
a couple of options to trial - I'll post back if any problems. Many thanks
again guys.
--
Joe


"John W. Vinson" wrote:

> On Mon, 19 Apr 2010 23:10:15 -0400, "Al Campagna" <newsgroups(a)comcast.net>
> wrote:
>
> >Karl,
> > I had in mind two colums in cbo1...
> > Injury SubInjury
> >
> > AfterUpdate... is cbo1.Column(1) = Null then...
> >
> > OnCurrent... is cbo1.Column(1) = Null then...
>
> One correction: Nothing - not even another NULL - is ever equal to NULL. These
> comparisons will fail regardless of what's in Column(1). The correct syntax is
>
> If IsNull(cbo1.Column(1)) Then...
>
> --
>
> John W. Vinson [MVP]
> .
>
From: Al Campagna on
John,
That was just aircode...
It was just an interpretation/representation of the logic.
Please... I would never actually code it like that...
Al

"John W. Vinson" <jvinson(a)STOP_SPAM.WysardOfInfo.com> wrote in message
news:mcdqs5dd6d9us0omt20gmkfvf4f6g2avhh(a)4ax.com...
> On Mon, 19 Apr 2010 23:10:15 -0400, "Al Campagna" <newsgroups(a)comcast.net>
> wrote:
>
>>Karl,
>> I had in mind two colums in cbo1...
>> Injury SubInjury
>>
>> AfterUpdate... is cbo1.Column(1) = Null then...
>>
>> OnCurrent... is cbo1.Column(1) = Null then...
>
> One correction: Nothing - not even another NULL - is ever equal to NULL.
> These
> comparisons will fail regardless of what's in Column(1). The correct
> syntax is
>
> If IsNull(cbo1.Column(1)) Then...
>
> --
>
> John W. Vinson [MVP]


From: John W. Vinson on
On Tue, 20 Apr 2010 10:22:48 -0400, "Al Campagna" <newsgroups(a)comcast.net>
wrote:

>John,
> That was just aircode...
> It was just an interpretation/representation of the logic.
> Please... I would never actually code it like that...
> Al

I didn't think so... just wanted to warn the lurkers! "Even Jove nods..."
--

John W. Vinson [MVP]