Solved

Compare Dates

Posted on 2011-09-15
9
306 Views
Last Modified: 2012-05-12
Hi Experts:

The problem that I am running into is: I'm comparing two dates and if the date field (NEWWE) is less than PASTWE date plus thirteen weeks it should display the NEWWE date else display zero.  It is working for the most part but a NEWWE date of 09/18/2011 < 12/11/2011 is returning a value of 0 when it should return the NEWWE value.  The following is the Iif statement I'm using.

IIf([NewWe]<DateAdd("ww",13,[PASTWE]),[NewWe],0)

What am I doing wrong?  Thanks!
0
Comment
Question by:CompTech810
  • 5
  • 4
9 Comments
 
LVL 18

Accepted Solution

by:
Cluskitt earned 125 total points
ID: 36543162
That is because it's treating your dates as strings. Use CDate():

IIf(CDate([NewWe])<DateAdd("ww",13,CDate([PASTWE])),CDate([NewWe]),0)
0
 
LVL 2

Author Comment

by:CompTech810
ID: 36543179
Ahh...  That worked with the exception of the '0' displays as: 12/30/1899
0
 
LVL 18

Expert Comment

by:Cluskitt
ID: 36543220
Yes. A date with the value of 0 is that. You can, however, simply remove the last CDate. You only need it to compare. Afterwards, you can return it as a string. If you need the value as a date later, you can always use CDate then.
0
Comprehensive Backup Solutions for Microsoft

Acronis protects the complete Microsoft technology stack: Windows Server, Windows PC, laptop and Surface data; Microsoft business applications; Microsoft Hyper-V; Azure VMs; Microsoft Windows Server 2016; Microsoft Exchange 2016 and SQL Server 2016.

 
LVL 2

Author Comment

by:CompTech810
ID: 36543608
Great that worked.

I do have an additional question.  In the criteria of the query that we just did I only want to display dates that are greater than zero.  When I use the criteria to only include records greater than zero it prompts me for NEWWE.

>0
0
 
LVL 18

Expert Comment

by:Cluskitt
ID: 36543663
Well, without looking at your file, it's hard to know what went wrong. You can have a look at the SQL to see if anything is amiss. Without knowing what you did, I can't really help you. But if you just add:
>0
in the criteria field, I don't see a reason why it shouldn't work.
0
 
LVL 2

Author Comment

by:CompTech810
ID: 36544797
I'm not sure either.  Is there a way to run debug to check what access is doing?
0
 
LVL 2

Author Comment

by:CompTech810
ID: 36545728
I submitted a question with the criteria issue.  I have tried everything I can think of.

Thanks for your help!
0
 
LVL 18

Expert Comment

by:Cluskitt
ID: 36547836
Glad to help. As for the debug part, you can't really debug SQL. What you can do is check the SQL query (I assume you were doing this in the graphic structure window). Then you, or someone here, can assist you with it.
0
 
LVL 2

Author Comment

by:CompTech810
ID: 36548497
Thanks!!
0

Featured Post

Comprehensive Backup Solutions for Microsoft

Acronis protects the complete Microsoft technology stack: Windows Server, Windows PC, laptop and Surface data; Microsoft business applications; Microsoft Hyper-V; Azure VMs; Microsoft Windows Server 2016; Microsoft Exchange 2016 and SQL Server 2016.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article is a continuation or rather an extension from Cascading Combos (http://www.experts-exchange.com/A_5949.html) and builds on examples developed in detail there. It should be understandable alone, but I recommend reading the previous artic…
Whether you've completed a degree in computer sciences or you're a self-taught programmer, writing your first lines of code in the real world is always a challenge. Here are some of the most common pitfalls for new programmers.
With Microsoft Access, learn how to start a database in different ways and produce different start-up actions allowing you to use a single database to perform multiple tasks. Specify a start-up form through options: Specify an Autoexec macro: Us…
With Secure Portal Encryption, the recipient is sent a link to their email address directing them to the email laundry delivery page. From there, the recipient will be required to enter a user name and password to enter the page. Once the recipient …

828 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question