Ms Access On Error Resume Next Not Working
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Excel Vba Error Handling Best Practice
Sign up On Error Resume Next seemingly not working up vote 3 down vote favorite I have the following two lines of code: On Error Resume Next myWorkbook.Sheets("x").Columns("D:T").AutoFit I've stepped into the macro and executed the line On Error Resume Next and then on the next line myWorkbook... it does the following: Why doesn't the compiler resume the next line of code? On vba on error resume next Error has been liberally used throughout the procedures code; I realize best practice is to use this as little as possible but it seems to fit the purpose of this macro. Reading this SO QUESTION it says that you can't have one set of error trapping within another. How can I guarantee that one set of error trapping has been "closed off" before the code moves on - does On Error Goto 0 reset the error trapping? If it does reset then why doesn't resume work in the following?: Sub GetAction() Dim WB As Workbook Set WB = ThisWorkbook On Error GoTo endbit: 'raise an error Err.Raise 69 Exit Sub endbit: On Error GoTo 0 On Error Resume Next WB.Sheets("x").Columns("D:T").AutoFit End Sub excel-vba share|improve this question edited Mar 17 '13 at 15:03 asked Mar 17 '13 at 9:37 whytheq 14.7k3486169 Can we pls see the full code? –brettdj Mar 17 '13 at 9:52 @brettdj all 500 lines! –whytheq Mar 17 '13 at 10:29 @brettdj do you think I need to make sure all other error trapping in the p
question and get tips & solutions from a community of 418,595 IT Pros & Developers. It's quick & easy. On Error excel vba on error goto 0 Resume Next P: n/a bob.needler I know On Error Resume Next is
If Error Vba
generally considered lazy. But can someone tell me why the resume next in Exit_Handler does not seem to work? It generates the typical unhandled runtime error message from Access. If I comment out the 1st On Error Resume Next and the x = 1 / 0 on the next line there http://stackoverflow.com/questions/15459332/on-error-resume-next-seemingly-not-working is no difference, i.e. ther same unhandled error on the same line. I included these 2 lines of code to demonstrate that On Error Resume Next does work in some cases. Anyone know why its "not working" in Exit_Handler? Private Sub Command44_Click() Dim x% On Error Resume Next x = 1 / 0 On Error GoTo Error_Handler x = 1 / 0 Exit_Handler: https://bytes.com/topic/access/answers/464909-error-resume-next On Error Resume Next x = 1 / 0 'runtime error here is not ignored (i.e. not "skipped") by the resume next On Error GoTo 0 Exit Sub Error_Handler: GoTo Exit_Handler End Sub Mar 6 '06 #1 Post Reply Share this Question 3 Replies P: n/a Matthew Wells The error handler can only handle one error at a time. So when you triggered the first error, there is still an active error when you triggered the error in Exit_handler. You must first "handle' the error in err_handler by using the "resume" statement. If you change "goto exit_handler" with "resume Next" you'll see it works.
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three flavors: compiler errors such as undeclared variables that prevent your code from compiling; user data entry error such as a user entering a negative value where only a positive number is acceptable; and run time errors, that occur when VBA cannot correctly execute a program statement. We will concern ourselves here only with run time errors. Typical run time errors include attempting to access a non-existent worksheet or workbook, or attempting to divide by zero. The example code in this article will use the division by zero error (Error 11) when we want to deliberately raise an error. Your application should make as many checks as possible during initialization to ensure that run time errors do not occur later. In Excel, this includes ensuring that required workbooks and worksheets are present and that required names are defined. The more checking you do before the real work of your application begins, the more stable your application will be. It is far better to detect potential error situations when your application starts up before data is change than to wait until later to encounter an error situation. If you have no error handling code and a run time error occurs, VBA will display its standard run time error dialog box. While this may be acceptable, even desirable, in a development environment, it is not acceptable to the end user in a production environment. The goal of well designed error handling code is to anticipate potential errors, and correct them at run time or to terminate code execution in a controlled, graceful method. Your goal should be to prevent unhandled errors from arising. A note on terminology: Throughout this article, the term procedure should be taken to mean a Sub, Function, or Property procedure, and the term exit statement should be taken to mean Exit Sub, Exit Function, or Exit Property. The term end statement should be taken to mean End Sub , End Function, End Property, or just End.