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excel 2007 vba on error resume next Cleveland, West Virginia

You can then display the necessary message to the user. One way you can do this is to add a line marked Exit Sub before the label. You can also pass a value, such as a date, that can easily be converted to a string. As already pointed out by osknows, mixing error-handling with normal-path code is Not Good.

share|improve this answer answered May 18 '11 at 20:39 RolandTumble 3,38812230 Thank you very much. Description property) to zero-length strings (""). Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies You sub (or function), should look something like this: Public Sub MySub(monthNumber as Integer) On Error GoTo eh Dim sheetWorkSheet As Worksheet 'Run Some code here '************************************************ '* OPTIONAL BLOCK 1:

For example, using a Byte variable to assign a performed operation that produces a value the variable cannot hold As you may imagine, because run-time errors occur after the application has The line argument is a line label or line number and should be in the same procedure as the error handler.   Which Resume Statement to use: The Resume or Resume Admittedly, this setup makes some developers cringe — you are purposely introducing an error into your code. Is it possible to have a planet unsuitable for agriculture?

The following code attempts to activate a worksheet that does not exist. If your error-handling routine corrected the error, returning to the line that generated the error might be the appropriate action. The above handler displays the error number, a description, and the name of the module. You do this by testing the value of Err.Number and if it is not zero execute appropriate code.

Only the Number argument is necessary to specify in the Raise Method, and all other arguments are optional. The On Error statement takes three forms. VBA simply ignores the attempt to assign a new error handler. Ankit has a strong passion for learning Microsoft Excel.

Any additional errors will be unhandled while the error handler is active. Sometimes, the right handling means the user never knows the error occurred. Well my routines got more or less quite long, but I've splitted it in about 10 Modules and tried to decrease the sizes of the routines... Please click the link in the confirmation email to activate your subscription.

LinkBack LinkBack URL About LinkBacks Bookmark & Share Digg this Thread!Add Thread to del.icio.usBookmark in TechnoratiTweet this thread Thread Tools Show Printable Version Display Linear Mode Switch to Hybrid Mode Dim x As Integer = 32 Dim y As Integer = 0 Dim z As Integer z = x / y ' Creates a divide by zero error On Error GoTo Public Sub openContactsFile() On Error Resume Next Dim fso As New FileSystemObject Dim LocalContactsPath As String Dim LocalContactsFilename As String Dim LocalContactsShortFilename As String LocalContactsPath = wbMyCompanyWorkbook.Names("localContactsPath").RefersToRange.Value LocalContactsFilename = Mid(LocalContactsPath, (InStrRev(LocalContactsPath, Both of the above routines exit the procedure, but sometimes, you'll want to continue executing the procedure — not exit it.

Good Term For "Mild" Error (Software) Is the mass of a singular star almost constant throughout it's life? On Error GoTo ErrHandler: Worksheets("NewSheet").Activate Exit Sub ErrHandler: If Err.Number = 9 Then ' sheet does not exist, so create it Worksheets.Add.Name = "NewSheet" Use this form rather than On Error GoTo when accessing objects.RemarksNote We recommend that you use structured exception handling in your code whenever possible, rather than using unstructured exception handling and That's the easy part, but you're not done.

This allows you to skip a section of code if an error occurs. Listing A Function SetErrorTrappingOption()   'Set Error Trapping to Break on Unhandled Errors.   Application.SetOption "Error Trapping", 2 End Function 2: Every procedure needs error handling Occasionally, you'll write a simple When an error occurs, you would present a message to the user to make him/her aware of the issue (the error). Some other errors depend on the platform that is running the application (the operating system, the processor, the version of the application, the (available) memory, etc).

Unfortunately, this is not always the case. To start that section, you create a label. Be sure to insert the GoTo 0 statement as early as possible. You should specify your error by adding your error code to the VbObjectError constant.

An example is division by 0 Trying to use or load a library that is not available or is not accessible, for any reason Performing an arithmetic operation on two incompatible Translating "machines" and "people" What is a type system? more hot questions question feed lang-vb about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Here is an example: Private Sub cmdCalculate_Click() On Error GoTo ThereWasBadCalculation Dim HourlySalary As Double, WeeklyTime As Double Dim WeeklySalary As Double ' One of these two lines could produce an

Success! Examples of run-time errors are: Trying to use computer memory that is not available Performing a calculation that the computer hardware (for example the processor) does not allow. This message box will give you four options: a. The Description property returns a zero-length string ("") if no run-time error has occurred or ErrorNumber is 0.

The ENUM should look something like this: Public Enum CustomErrorName MaskedFilterNotSupported InvalidMonthNumber End Enum Create a module that will throw your custom errors. '******************************************************************************************************************************** ' MODULE: CustomErrorList ' ' PURPOSE: For Error handling in VBA is tricky, especially as the MSDN pages do not really give complete examples of how error handling can be used. This will show you exactly where the error was thrown. Thank you for reading my question Greetings skofgar excel vba share|improve this question edited Jun 28 '14 at 13:37 asked May 17 '11 at 8:38 skofgar 7042916 7 rather than

But here is another way to handle an error in VBA. To enable this, use the Err object's Raise method.   The arguments of the Raise Method correspond to the properties of the Err object, and all arguments except the Number argument Err.Source returns 'VBAProject' Cells(1, 1).Offset(-1, 0) = 5 'Run-time error '1004': Select method of Range class failed (Sheet1 is not the active sheet whereas Select Method is valid for active sheet Another reason for an error which may cause even a valid code to crash could be a condition not being met, say, a reference to a worksheet in your code which

excel-vba error-handling next resume share|improve this question asked Jan 25 '13 at 0:54 Ross McConeghy 7572616 "this statement is here because usually the file is already open as an Here is an example: Private Sub cmdCalculate_Click() ThereWasBadCalculation: End Sub After (under) the label, you can specify your message. In the end, the route you take isn't as important as knowing the alternatives and how to properly implement them. 4: Inhibiting errors Sometimes, the best way to handle an error In most cases, after dealing with the error, you must find a way to continue with a normal flow of your program.

I think I still need to get used to the VBA-Error Handling... Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote « Previous Thread | Next Thread » Like this thread? The error object can be cleared using Err.Clear. To quote him: I deliberately did not include On Error GoTo -1 because it serves no real purpose and can lock up the entire Excel application unless used in exactly the

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