Solved

VB.NET - checking to see if Session variable is nothing

Posted on 2009-05-11
3
776 Views
Last Modified: 2012-05-06
This is what I'm using...

If Session("PerformanceCategoryUnitList") <> Nothing Then

But when it isn't nothing it throws an error saying:
Operator '<>' is not defined for type 'DataRow()' and 'Nothing'.

It works fine for when the session is nothing.  What am I doing wrong here?
0
Comment
Question by:josephdaviskcrm
  • 2
3 Comments
 
LVL 48

Accepted Solution

by:
jpaulino earned 500 total points
ID: 24357977
Try instead
If Session("PerformanceCategoryUnitList") IsNot Nothing Then
 
0
 
LVL 9

Expert Comment

by:tillgeffken
ID: 24358011
See if the following code changes anything.

If Session("PerformanceCategoryUnitList") Is Nothing Then

Open in new window

0
 
LVL 9

Expert Comment

by:tillgeffken
ID: 24358021
Opps, typing slow today
0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

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

Suggested Solutions

Title # Comments Views Activity
Help with preventing selection from a combobox 11 34
SSRS Deployment problem 5 64
looking for an ASP.net report designer 4 9
Groupbox Control ? 2 17
Creating an analog clock UserControl seems fairly straight forward.  It is, after all, essentially just a circle with several lines in it!  Two common approaches for rendering an analog clock typically involve either manually calculating points with…
International Data Corporation (IDC) prognosticates that before the current the year gets over disbursing on IT framework products to be sent in cloud environs will be $37.1B.
Email security requires an ever evolving service that stays up to date with counter-evolving threats. The Email Laundry perform Research and Development to ensure their email security service evolves faster than cyber criminals. We apply our Threat…

856 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