Hi all -
I have a web application and I want to be able to do some basic error
handling. For example, here is one error I would like to catch and
display in a useful way for the user:
-----------------
Microsoft OLE DB Provider for ODBC Drivers error '80040e14'
[Microsoft][ODBC SQL Server Driver][SQL Server]UPDATE statement
conflicted with COLUMN FOREIGN KEY constraint
'FK_tbl_DemographicInfo_tbl_LookupCurrentLiving'. The conflict occurred
in database 'asian_task_force', table 'tbl_LookupCurrentLiving', column
'Code'.
/ASAPOnline/demoProcess.asp, line 271
-----------------
The error is straightforward to you and me. People reading this
newsgroup know why this error would occur and what it means. What is
not straightforward is how I can get the relevant info I need from the
error and return it to the user.
BTW, the line referenced, line 271, is a call to a stored procedure:
cmd.Execute
[cmd is set up as: set cmd = Server.CreateObject("ADODB.Command")]
An end user is not going to know what this error means. What I would
really like to be able to do is to determine that it's a foreign key
contrainst error and tell the user which field/table is causing the
error. If I can't get the actual table/field easily, I would like to at
least be able to determine that it's a foreign key constraint and
provide some text to the that explains what the heck that means in
plain english.
My problem is that I don't even know where to do this. I tried doing
this in the ASP code, and I was able to get this much:
---------------
Description: [Microsoft][ODBC SQL Server Driver][SQL Server]UPDATE
statement conflicted with COLUMN FOREIGN KEY constraint
'FK_tbl_DemographicInfo_tbl_LookupCurrentLiving'. The conflict occurred
in database 'asian_task_force', table 'tbl_LookupCurrentLiving', column
'Code'.
HelpContext: 0
helpfile:
number: -2147217900
Source: Microsoft OLE DB Provider for ODBC Drivers
---------------
which is from the Err object that ASP returns. Still though, the fact
that it's a foreign key constraint error and the tables that are
involved are burried in the Err.Description text.
So would I be able to break this info out in my stored proc? I know
the message for the error is in the sysmessages table, in this case:
----------
%ls statement conflicted with %ls %ls constraint '%.*ls'. The conflict
occurred in database '%.*ls', table '%.*ls'%ls%.*ls%ls.
----------
Is there any way I can get access to these "%ls" variables and then do
something with them? If so, where would I do this, in the stored proc,
in the ASP code, or elsewhere? Or is this an issue in the nebulous
region (read: the region I know very little about) of ODBC/OLE or ADO?
Help!
thanks in advance,
jon
jlarosa at alumni dot brown dot edu 1 2912
Jon,
To get a clear understanding about Error Handling in stored Procs, see http://www.sommarskog.se/error-handling-I.html http://www.sommarskog.se/error-handling-II.html
--
Roji. P. Thomas
Net Asset Management https://www.netassetmanagement.com
"Jon LaRosa" <jl*****@alumni.brown.edu> wrote in message
news:11*********************@z14g2000cwz.googlegro ups.com... Hi all -
I have a web application and I want to be able to do some basic error handling. For example, here is one error I would like to catch and display in a useful way for the user:
----------------- Microsoft OLE DB Provider for ODBC Drivers error '80040e14'
[Microsoft][ODBC SQL Server Driver][SQL Server]UPDATE statement conflicted with COLUMN FOREIGN KEY constraint 'FK_tbl_DemographicInfo_tbl_LookupCurrentLiving'. The conflict occurred in database 'asian_task_force', table 'tbl_LookupCurrentLiving', column 'Code'.
/ASAPOnline/demoProcess.asp, line 271 -----------------
The error is straightforward to you and me. People reading this newsgroup know why this error would occur and what it means. What is not straightforward is how I can get the relevant info I need from the error and return it to the user.
BTW, the line referenced, line 271, is a call to a stored procedure: cmd.Execute [cmd is set up as: set cmd = Server.CreateObject("ADODB.Command")]
An end user is not going to know what this error means. What I would really like to be able to do is to determine that it's a foreign key contrainst error and tell the user which field/table is causing the error. If I can't get the actual table/field easily, I would like to at least be able to determine that it's a foreign key constraint and provide some text to the that explains what the heck that means in plain english.
My problem is that I don't even know where to do this. I tried doing this in the ASP code, and I was able to get this much:
--------------- Description: [Microsoft][ODBC SQL Server Driver][SQL Server]UPDATE statement conflicted with COLUMN FOREIGN KEY constraint 'FK_tbl_DemographicInfo_tbl_LookupCurrentLiving'. The conflict occurred in database 'asian_task_force', table 'tbl_LookupCurrentLiving', column 'Code'. HelpContext: 0 helpfile: number: -2147217900 Source: Microsoft OLE DB Provider for ODBC Drivers ---------------
which is from the Err object that ASP returns. Still though, the fact that it's a foreign key constraint error and the tables that are involved are burried in the Err.Description text.
So would I be able to break this info out in my stored proc? I know the message for the error is in the sysmessages table, in this case:
---------- %ls statement conflicted with %ls %ls constraint '%.*ls'. The conflict occurred in database '%.*ls', table '%.*ls'%ls%.*ls%ls. ----------
Is there any way I can get access to these "%ls" variables and then do something with them? If so, where would I do this, in the stored proc, in the ASP code, or elsewhere? Or is this an issue in the nebulous region (read: the region I know very little about) of ODBC/OLE or ADO? Help!
thanks in advance, jon jlarosa at alumni dot brown dot edu This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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