Transaction (Process ID 65) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
I need to be able to capture this in VB and be able to move on safely
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geeting SQL deadlocked error
Hi there
In a vb .net app I'm sometimes getting an error because of a dead lock on the SQL server
I want to handle that in the best way to keep the progam moving on while handling the error
regards
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Answers
Your HMI interface coding standards should address this one, but basically they should say something like this:
All code that updates the database must check for errors from the database engine. If the error is locking related (such as this Deadlock error, lock timeouts, etc.) then any current transaction should be rolled back in the database, a user friendly message to the effect that the "system is too busy" should be displayed and the user advised to retry the update later. The data submitted by the user should be redisplayed to the user in exactly the form he/she originally submitted in (i.e. in all the appropriate form fields) so that all he/she need to do to "try again later" is just click the "submit" button (or whatever he needs to do to submit again).
What is your application "doing" in the database and how is it doing it?
Specifically :
Are you calling some stored procedure(s) or sending up a T-SQL statement?
Are you using transactions in your code (either via the t-sql syntax or the transactions class from the SQL library)?
This problem could be just about anything from a massive update across multiple tables that you are attempting to execute too quickly in a rapid fire sequence to a long running stored procedure to even something as simple as a table with a bad index that is taking too long to iterate over records.
Describe what you are doing in the database and how, and we can start to piece together what you are doing, what you want/need to do, and how to get you there.
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by: cognos79Posted on 2007-03-06 at 07:50:25ID: 18662439
what is the error message