Ado Error Handling
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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 http://stackoverflow.com/questions/5389634/vba-error-handling-on-adodb-connection-open or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question http://stackoverflow.com/questions/21868588/ado-error-exception-handling x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up VBA Error handling on ADODB Connection.Open up vote 2 down vote favorite 1 I have an ADODB connection in VBA for connecting to an SQLServer database. I want to catch the error that ado error is raised when connection.Open is called and the given database is unreachable. My code looks like this: Public Function Connect() As Boolean On Error GoTo DBError Dim dbServer As String Dim dbName As String Dim dbUser As String Dim dbPwd As String dbServer = DatabaseSettings.dbServer dbName = DatabaseSettings.dbName dbUser = DatabaseSettings.dbUser dbPwd = DatabaseSettings.dbPwd Dim connectionString As String connectionString = "Server=" & dbServer & ";Database=" & dbName & ";User Id=" & dbUser & ";Password=" & dbPwd Set conn = New ado error code ADODB.Connection conn.Provider = "sqloledb" With conn .ConnectionTimeout = 2 .CursorLocation = adUseClient .Open connectionString .CommandTimeout = 0 End With Connect = True Exit Function DBError: Connect = False End Function My problem is that when i try to run this code with an incorrect connectionString an error is raised and shown in a MsgBox and not caught by the "On Error GoTo DBError". Is there something wrong in my error handling code or do i need to find another way of catching this error? Thank you for your help. Any suggestions are welcome. vba adodb share|improve this question asked Mar 22 '11 at 10:10 PKeno 9853932 add a comment| 2 Answers 2 active oldest votes up vote 4 down vote accepted Not sure if this is it, but in the VBE window make sure the Tools...Options...General...Error Trapping option is set to "Break on Unhandled Errors". If it were set to "Break on All Errors" this may bypass your handlers. share|improve this answer answered Mar 22 '11 at 14:20 tpascale 1,19321528 Thank you this solved my problem. Do you know if i can force the user to have this setting in some way? Otherwise i will have a problem when I "release" my application. Maybe check what the setting is set to? Thanks again for your help. –PKeno Mar 24 '11 at 7:01 don't know offhand but I think you'll find it here: msdn.mi
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 Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up ADO Error exception handling? up vote 1 down vote favorite I just switched from using the BDE to ADO by replacing the Tables and Queries to its equivalent in ADO components. I'm always execute the query inside try...catch like this: //Fdm is Data Module //TEndOfDay is TTable //QEndOfDay is TQuery Screen->Cursor = crSQLWait; Fdm->QEndOfDay->SQL->Add("SELECT * FROM TEndOfDay"); try{ Fdm->QEndOfDay->ExecSQL(); Fdm->QEndOfDay->Open(); Screen->Cursor = crDefault; } catch (EDBEngineError &DBEngineError){ strError = DBEngineError.Message; Screen->Cursor = crDefault; } catch (EDatabaseError &DatabaseError){ strError = DatabaseError.Message; Screen->Cursor = crDefault; } catch(...){ strError = "Error"; Screen->Cursor = crDefault; } Since I switched to ADO, does those exceptions (DBEngineError, DatabaseError) are applicable? I have been edited my post to include Delphi folks, they are responds quickly. No matter if the answer in Delphi code. delphi ado bde c++builder-xe4 share|improve this question edited Feb 19 '14 at 16:09 asked Feb 19 '14 at 0:35 Ediz Asker 216 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted You should first check for EADOError, which are specific ADO-related exceptions, and then EDatabaseError, which are more general database exceptions. EDBEngineErro