Ms Access Vba Sql Error Handling
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Vba Error Handling Examples
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Vba Error Handling Function
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Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to Catch SQL Error through http://www.fmsinc.com/tpapers/vbacode/Debug.asp Excel VBA up vote 0 down vote favorite I have a program that is going through the subfolders of a folder and running a stored SQL command on each. I am in the process of writing another module that will automatically check the files before being inputted, but I don't like having my company's test data hinging on a program without any way to know if something http://stackoverflow.com/questions/27824035/how-to-catch-sql-error-through-excel-vba errored out. Here is the code I currently have: Sub openConnection() Set varConnection = New ADODB.Connection Set varCommand = New ADODB.Command varConnection.ConnectionString = "PROVIDER=SQLOLEDB;DATA SOURCE=192.168.1.186,1433;INITIAL CATALOG=Test1; INTEGRATED SECURITY=sspi;" varConnection.Open varCommand.CommandText = "importFile" varCommand.CommandType = adCmdStoredProc varCommand.ActiveConnection = varConnection Set varParameter = varCommand.CreateParameter("filePath", adChar, adParamInput, Len(varFolderPath), varFolderPath) varCommand.Parameters.Append varParameter varCommand.Execute varConnection.Close End Sub On occasion, the command will error out, causing the data to not be uploaded. How can I catch these SQL errors through Excel VBA in order to handle them appropriately without it being treated as though it had gone through like a normal file? Note: I don't mind rewriting code- this is all still in alpha. sql vba excel-vba share|improve this question edited Feb 16 '15 at 14:35 asked Jan 7 '15 at 16:31 jaysoncopes 177216 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote I guess this might be what you are looking for... MS Access VBA trapping SQL Server Connection Error Sub OpenConnection() On Error GoTo ErrorHandler // Do your stuff here... ErrorHandler: Debug.Print Err.Number & " " & Err.Description ' Or else you could log the error in a file, or even display a message box, wha
a full version of Access, while a run-time version just crashes. For a more detailed approach to error handling, see FMS' article on Error Handling and Debugging. The simplest http://allenbrowne.com/ser-23a.html approach is to display the Access error message and quit the procedure. Each procedure, then, will have this format (without the line numbers): 1 Sub|Function SomeName() 2 On Error GoTo Err_SomeName ' Initialize error handling. 3 ' Code to do something here. 4 Exit_SomeName: ' Label to resume after error. 5 Exit Sub|Function ' Exit before error handler. 6 Err_SomeName: ' Label to jump to on error. error handling 7 MsgBox Err.Number & Err.Description ' Place error handling here. 8 Resume Exit_SomeName ' Pick up again and quit. 9 End Sub|Function For a task where several things could go wrong, lines 7~8 will be replaced with more detail: Select Case Err.Number Case 9999 ' Whatever number you anticipate. Resume Next ' Use this to just ignore the line. Case 999 Resume Exit_SomeName ' Use this to vba error handling give up on the proc. Case Else ' Any unexpected error. Call LogError(Err.Number, Err.Description, "SomeName()") Resume Exit_SomeName End Select The Case Else in this example calls a custom function to write the error details to a table. This allows you to review the details after the error has been cleared. The table might be named "tLogError" and consist of: Field Name Data Type Description ErrorLogID AutoNumber Primary Key. ErrNumber Number Long Integer. The Access-generated error number. ErrDescription Text Size=255. The Access-generated error message. ErrDate Date/Time System Date and Time of error. Default: =Now() CallingProc Text Name of procedure that called LogError() UserName Text Name of User. ShowUser Yes/No Whether error data was displayed in MsgBox Parameters Text 255. Optional. Any parameters you wish to record. Below is a procedure for writing to this table. It optionally allows recording the value of any variables/parameters at the time the error occurred. You can also opt to suppress the display of information about the error. Function LogError(ByVal lngErrNumber As Long, ByVal strErrDescription As String, _ strCallingProc As String, Optional vParameters, Optional bShowUser As Boolean = True) As Boolean On Error GoTo Err_LogError ' Purpose: Generic error handler. ' Logs errors