[AccessD] Value verses OldValue

JWColby jwcolby at colbyconsulting.com
Mon Feb 19 12:53:17 CST 2007


LOL, yep.  No attachments allowed, as I discovered the other day. 


John W. Colby
Colby Consulting
www.ColbyConsulting.com

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of artful at rogers.com
Sent: Monday, February 19, 2007 1:49 PM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Value verses OldValue

I posted a zipped Access file demonstrating how this works. It was only 14k
as a zip but apparently it's being held up by the anti-terrorist squad. 

 
Arthur Fuller
Technical Writer, Data Modeler, SQL Sensei Artful Databases Organization
www.artfulsoftware.com




----- Original Message ----
From: Lonnie Johnson <prodevmg at yahoo.com>
To: Access Developers discussion and problem solving
<accessd at databaseadvisors.com>
Sent: Monday, February 19, 2007 12:18:35 PM
Subject: Re: [AccessD] Value verses OldValue


Susan, 

Did you find anything else about this? Actually I did not know the property
existed. I have always used variables or the tag property to store this. I
was going to start using it and an associate says there are also problems
with checkbox booleans and comboxes.









May God bless you beyond your imagination!
Lonnie Johnson
ProDev, Professional Development of MS Access Databases Visit me at ==>
http://www.prodev.us










----- Original Message ----
From: Susan Harkins <ssharkins at setel.com>
To: Access Developers discussion and problem solving
<accessd at databaseadvisors.com>
Sent: Sunday, February 18, 2007 6:12:37 PM
Subject: [AccessD] Value verses OldValue


I ran into something interesting with the following expression: 

If ctl.Value <> ctl.OldValue Then

It appears that unless you've changed the value, ctl.Value is empty. If
there's been no change, shouldn't Value and OldValue been the same? Why is
Value empty? 

This is in a form's Before Update event, which might matter. 

Susan H. 

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