?
Solved

checking for dbnull values - sqldatareader ordinals

Posted on 2007-12-04
4
Medium Priority
?
1,445 Views
Last Modified: 2013-12-16
Hi There,

What's the syntax for testing for sqldatareader ordinals for null?I tried something like below but it's not working.

Sean


           class.propertyname = reader.GetOrdinal("myID")== DBNull.Value ? 0 : reader.GetInt32(reader.GetOrdinal("myID"));



0
Comment
Question by:MrAgile
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
4 Comments
 
LVL 9

Accepted Solution

by:
sognoct earned 2000 total points
ID: 20401857
try :
class.propertyname =  reader.IsDBNull(reader.GetOrdinal("prova")) ? 0 : reader.GetInt32(reader.GetOrdinal("myID"));
0
 
LVL 18

Expert Comment

by:jcoehoorn
ID: 20403896
Sounds like what you really want to do is have a COALESCE statement in the sql used to create the reader, to that a NULL value is never returned in the first place.
0
 
LVL 9

Assisted Solution

by:sognoct
sognoct earned 2000 total points
ID: 20403957
class.propertyname =  reader.IsDBNull(reader.GetOrdinal("myID")) ? 0 : reader.GetInt32(reader.GetOrdinal("myID"));
0
 
LVL 8

Author Comment

by:MrAgile
ID: 20406655
hi jcoehoorn,

I have done this already. I am just making sure that there is no way this thing is going to fall over in a nasty way.
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

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

IP addresses can be stored in a database in any of several ways.  These ways may vary based on the volume of the data.  I was dealing with quite a large amount of data for user authentication purpose, and needed a way to minimize the storage.   …
This article shows how to deploy dynamic backgrounds to computers depending on the aspect ratio of display
Michael from AdRem Software outlines event notifications and Automatic Corrective Actions in network monitoring. Automatic Corrective Actions are scripts, which can automatically run upon discovery of a certain undesirable condition in your network.…
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.
Suggested Courses

752 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