On Error Call Sub Vba
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Vba On Error Exit Sub
a minute: Sign up Excel VBA error handling when calling/run sub from sub up vote 0 down vote favorite Having some issues understand what errorhandling does when you call/run sub or function from sub. If no errorhandling in called sub, does the errorhandling from source sub apply? If errorhandling in called sub has "exit sub" or "Exit Function" will the source vba on error goto 0 sub continue to run? asd asd Sub Testing() On Error GoTo ErrorHandling Application.ScreenUpdating = False Application.Calculation = xlCalculationManual Application.EnableEvents = False Call TestMinorSub ExitHandling: Application.ScreenUpdating = True Application.Calculation = xlCalculationAutomatic Application.EnableEvents = True Exit Sub ErrorHandling: MsgBox Err.Description Resume ExitHandling End Sub excel vba excel-vba share|improve this question asked Jan 12 at 13:43 OyvPet 476 add a comment| 3 Answers 3 active oldest votes up vote 2 down vote accepted Unstructured Excetion Handling - as Microsoft defines it (as opposed to Structured Exception Handling) isn't the best thing, and can get quite convoluted. So in this example, if the sub is invoked from some call site... 1. No Errors After calling TestMinorSub the sub continues on its way until it exits via exit sub. 2. There is an error in TestMinorSub AND TestMinorSub has an error handler. This will handle the error according to how its defined in this function. This function can either swallow the error or raise it back to Testing sub using Err.Raise. 3. There is an error in TestMinorSub and TestMinorSub doesn't have an error handler. This will
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Documentation Office Add-ins Office Add-in Availability Office Add-ins Changelog Microsoft Graph API Office 365 vba error number Connectors Office 365 REST APIs SharePoint Add-ins Office UI Fabric Submit to the Office Store All Documentation https://www.yammer.com/ http://feeds.feedburner.com/office/fmNx Office shared Office VBA http://stackoverflow.com/questions/34745323/excel-vba-error-handling-when-calling-run-sub-from-sub language reference Visual Basic conceptual topics Visual Basic conceptual topics Calling Sub and Function Procedures Calling Sub and Function Procedures Calling Sub and Function Procedures 64-Bit Visual Basic for Applications Overview Avoiding Naming Conflicts Calling Procedures with the Same Name Calling Property Procedures Calling Sub and Function https://msdn.microsoft.com/en-us/library/office/gg251432.aspx Procedures Creating Object Variables Creating Recursive Procedures Declaring Arrays Declaring Constants Declaring Variables Executing code when setting properties Looping Through Code Making Faster For...Next Loops Passing Arguments Efficiently Returning Strings from Functions Understanding Automation Understanding Conditional Compilation Understanding Named Arguments and Optional Arguments Understanding Objects, Properties, Methods, and Events Understanding Parameter Arrays Understanding Scope and Visibility Understanding the Lifetime of Variables Understanding Variants Understanding Visual Basic Syntax Using Arrays Using Constants Using Data Types Efficiently Using Do...Loop Statements Using For Each...Next Statements Using For...Next Statements Using If...Then...Else Statements Using Parentheses in Code Using Select Case Statements Using the Add-In Manager Using With Statements Visual Basic Naming Rules Working Across Applications Writing a Function Procedure Writing a Property Procedure Writing a Sub Procedure Writing Assignment Statements Writing Data to Files Writing Declaration Statements Writing Executable Statements Writing Visu
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 http://www.cpearson.com/excel/errorhandling.htm 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 http://www.functionx.com/vbaexcel/Lesson26.htm 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 on error 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 on error goto 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. The On Error Statement The heart of error handling in VBA is the On Error statement. This statement instructs VBA what to do when an run time error is encountered. The On Error statement takes three forms. On Error Goto 0 On Error Resume Next On Error Goto
the wrong time. The application may crash. A calculation may produce unexpected results, etc. You can predict some of these effects and take appropriate actions. Some other problems are not under your control. Fortunately, both Microsoft Excel and the VBA language provide various tools or means of dealing with errors. Practical Learning:Introducing Error Handling Open the Georgetown Dry Cleaning Services1 spreadsheet and click the Employees tab Click the Payroll tab Click the TimeSheet tab To save the workbook and prepare it for code, press F12 Specify the folder as (My) Documents In the Save As Type combo box, select Excel Macro-Enabled Workbook Click Save Introduction to Handling Errors To deal with errors in your code, the Visual Basic language provides various techniques. One way you can do this is to prepare your code for errors. When an error occurs, you would present a message to the user to make him/her aware of the issue (the error). To prepare a message, you create a section of code in the procedure where the error would occur. To start that section, you create a label. Here is an example: Private Sub cmdCalculate_Click() ThereWasBadCalculation: End Sub After (under) the label, you can specify your message. Most of the time, you formulate the message using a message box. Here is an example: Private Sub cmdCalculate_Click() ThereWasBadCalculation: MsgBox "There was a problem when performing the calculation" End Sub If you simply create a label and its message like this, its section would always execute: Private Sub cmdCalculate_Click() Dim HourlySalary As Double, WeeklyTime As Double Dim WeeklySalary As Double ' One of these two lines could produce an error, such as ' if the user types an invalid number HourlySalary = CDbl(txtHourlySalary) WeeklyTime = CDbl(txtWeeklyTime) ' If there was an error, the flow would jump to the label WeeklySalary = HourlySalary * WeeklyTime txtWeeklySalary = FormatNumber(WeeklySalary) ThereWasBadCalculation: MsgBox "There was a problem when performing the calculation" End Sub To avoid this, you should find a way to interrupt the flow of the program before the label section. One way you can do this is to add a line marked Exit Sub before the label. This would be done as follows: Private Sub cmdCalculate_Click() Dim HourlySalary As Double, WeeklyTime As Double Dim WeeklySalary As Double ' One of these two lines could produce an error, such as ' if the user types an invalid number HourlySalary = CDbl(txtHourlySalary) WeeklyTime = CDbl(txtWeeklyTime) ' If