SQL Server 2016 VB Try Statement HResult Error 0x80131904 "Cannot insert duplicate key in object ..."

Greetings:

Using a Try ... Catch statement in VB.NET attempting a SQL insert I receive an HResult code of 0x80131904 (decimal -2146232060). I understand attempting to insert a row where the key value already exists on the database is a violation. What I'm looking for is a definitive way to determine the error verbiage of "Cannot insert duplicate key in object ..." can always be detected by the HResult code of 0x80131904, and, a HResult code of 0x80131904 always means "Cannot insert duplicate key in object ...".

Do I need to interrogate additional structures to determine the specific error verbiage of "Cannot insert duplicate key in object ..."?

My thinking here is the verbiage of "Cannot insert duplicate key in object ..." may change, however, the HResult code (and any other structures I may need to interrogate) will not change.

Any assistance you all might provide would certainly help me.

Much thanks,
David Bach
David BachSoftware DevelopmentAsked:
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David Johnson, CD, MVPOwnerCommented:
use and act on the error code the error message may be affected by the users culture settings.
David BachSoftware DevelopmentAuthor Commented:
Greetings David:

I agree with you.

So, does the SQL server HResult code of 0x80131904 always mean "Cannot insert duplicate key in object ...", or does it indicate other errors besides duplicate key errors?

Much thanks, David ...
David Bach
David Johnson, CD, MVPOwnerCommented:
a quick google search shows it  is a generic exception message
login error/connection error/timeout
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David BachSoftware DevelopmentAuthor Commented:
Greetings David:

I saw this as well.

Is there a definitive way to know via return codes, result codes, reason codes, other structures, etc. when SQL server encounters a duplicate key error without relying on the message text?


Much thanks,
David Bach
Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
you probably can refer to error codes:
  • 2601
  • 2627

Errors 2000 - 2999
https://technet.microsoft.com/en-us/library/cc645728(v=sql.105).aspx

use master
select * from sysmessages
where description like '%Cannot insert duplicate%'

Open in new window


and need to see if you're able to catch that error code from your existing codes

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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
And the answer is no. You'll never get the original error codes directly. Using the error text to search in the DB table master..sysmessages is indeed the only reliable way to get an unique error number you can be sure about what it means.
David BachSoftware DevelopmentAuthor Commented:
Greetings:

Thank you all for your responses. I truly appreciate it.

Ryan, your solution answered my needs directly. I was able to modify existing SQL script and VB code to capture and handle the errors I wanted. I subsequently display text the user can better understand (I hope).


Much thanks for your time and patience ...
David Bach
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