Ms Access Duplicate Key Error
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Access Form Error Handling
| Today's Posts | Search Access Discussion of Microsoft Access database design and programming. acdataerrcontinue See also the forums for Access ASP and Access VBA. Search Forums Show Threads Show Posts Advanced Search Find All Thanked error number : -2147217900 vba Posts Go to Page... Welcome to the p2p.wrox.com Forums. You are currently viewing the Access section of the Wrox Programmer to Programmer discussions. This is a community of tens of thousands of software programmers and website https://msdn.microsoft.com/en-us/library/office/ff836345.aspx developers including Wrox book authors and readers. As a guest, you can read any forum posting. By joining today you can post your own programming questions, respond to other developers’ questions, and eliminate the ads that are displayed to guests. Registration is fast, simple and absolutely free . Page 1 of 2 1 2 > Thread Tools Display Modes #1 (permalink) January 18th, 2006, 01:53 PM Enoch Authorized http://p2p.wrox.com/access/37362-handling-no-duplicates-index-error.html User Join Date: Dec 2005 Location: , , . Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts Handling the no duplicates index error I know how to handle errors and provide custom error messages for errors generated within a sub or function. However, if the error is thrown by a no duplicates index, I don't know where or how to catch the error in order to provide a more user friendly error message. Thanks in advance for your help Enoch __________________ Enoch #2 (permalink) January 18th, 2006, 02:42 PM Bob Bedell Friend of Wrox Join Date: Jun 2003 Location: , , USA. Posts: 1,093 Thanks: 1 Thanked 10 Times in 9 Posts Don't know exactly how you're doing the insert, but the Jet error you're interested in is 3022. Code: Sub DuplicateValueError(strNewValue As String) On Error GoTo Err_Handler Dim db As DAO.Database Dim rst As DAO.Recordset Set db = CurrentDb Set rst = db.OpenRecordset("tblRecords", dbOpenDynaset) With rst .AddNew !Field1 = strNewValue .Update '<--- Error 3022 thrown here. End With rst.Close db.Close Set rst = Nothing Set db = Nothing Exit Sub Exit_Here: rst.Close db.Close Set rst = Nothing Set db = Nothing Exit Sub Err_Handler: If Err.Number = 3022 Then strMsg = "Error occurred when you called r
help? Post your question and get tips & solutions from a community of 418,595 IT Pros & Developers. It's quick & easy. Error https://bytes.com/topic/access/answers/603659-error-handling-while-inserting-data Handling while Inserting data P: 1 anisu Hi, I am trying to do http://dba.stackexchange.com/questions/111754/how-to-avoid-a-duplicate-key-error error handling during insert in MS Access 2002 (OS: MS XP) The problem is that when a duplicate record is added for the primary key field or a null value included in a unique filed, an error appears: "Microsoft Access cannot append all the records in the append query!" What error message I want is to suppress this message and display my own message, but both this message and mine one comes while I do the error handling. Please suggest. I have included the code. Using "Docmd.Setwarnings false" suppresses the display of both the above message as well as my message -- it actually doesn't do the error handling. Also, where can I find the access form error list of errors in Access and their error numbers? Expand|Select|Wrap|Line Numbers PrivateSubcmdsave_Click() OnErrorGoToerrmsg Form.Requery DoCmd.RunSQL"INSERTINTOmembers(IDNo,Name,MemberType,Designation,Address,"_ &"Citizenship,CitizenNo,FirmName)"_ &"SELECTtmpmembers.IDNo,tmpmembers.Name,tmpmembers.MemberType,tmpmembers.Designation,"_ &"tmpmembers.Address,tmpmembers.Citizenship,tmpmembers.CitizenNo,tmpmembers.FirmName"_ &"FROMtmpmembers" exit_cmdsave: ExitSub errmsg: IfErr=3022Then
log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to avoid a “duplicate key” error? up vote 4 down vote favorite This statement: INSERT INTO deleteme SELECT #t.id, 'test' FROM #t LEFT JOIN deleteme ON deleteme.id = #t.id WHERE deleteme.id IS NULL; ...will fail with a primary key violation in the concurrent scenario (i.e. when inserting the same key that is absent in deleteme from several threads at the same time) with the default transaction isolation level of READ COMMITTED: Error: Violation of PRIMARY KEY constraint 'PK_DeleteMe'. Cannot insert duplicate key in object 'dbo.deleteme'. What is the best way to prevent that? The table looks something like this: CREATE TABLE [dbo].[DeleteMe]( [id] [uniqueidentifier] NOT NULL, [Value] [varchar](max) NULL, CONSTRAINT [PK_DeleteMe] PRIMARY KEY ([id] ASC)); Update From comments: Why do you have multiple sessions, which can obviously pull the same id from somewhere, using the same permanent table without having some kind of session key to tell them apart? Even without a duplicate error, how are you going to know which rows belong to which session? This is a stored procedure that is called by an external service that populates data in this table. The service generates the record id and it provides no guarantee that it won't send the same data twice. Or send the same data at the same time. The database code is supposed to discard all the records with the same id, if one already exists. The service never sends two records with the