Message Box On Error In Vba
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Forums Excel Questions vba: if error show msgbox Results 1 to 6 of 6 vba: if error show msgboxThis is a discussion on vba: if error show msgbox within the Excel Questions forums, part of the Question Forums category; I have on error goto vba a subroutine that opens a file based on some input from the user.... generally the file vba error handling best practices it looks ... LinkBack LinkBack URL About LinkBacks Bookmark & Share Digg this Thread!Add Thread to del.icio.usBookmark in TechnoratiTweet this thread Thread
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Tools Show Printable Version Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Oct 17th, 2006,08:17 PM #1 cmhoz Board Regular Join Date Aug 2006 Location Australia Posts 268 vba: if error show msgbox I have
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a subroutine that opens a file based on some input from the user.... generally the file it looks for has a standard naming format used. However sometimes the person responsible for this will use some other name, thus screwing up my macro. Rather than excel showing the generic error box, confusing the user completely, I want it to show MY msgbox telling the user to go in and find the file manually... I'm sure I've done this before, on error goto line but I'm drawing a blank on how I managed it. Any help out there?? Sub openphiac() Dim strfolder as string Dim strphiacfile as string strfolder = Range("folder") strphiacfile = Range("phiacfile") Workbooks.Open Filename:="O:\Phiac Data\PhiacTables\" & strfolder & "\" & strphiacfile & ".xls" End Sub Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote Oct 17th, 2006,08:25 PM #2 HalfAce MrExcel MVP Join Date Apr 2003 Location Alaska Posts 9,444 Hi cmhoz Something like this ought to do it. Code: Sub openphiac() Dim strfolder As String Dim strphiacfile As String strfolder = Range("folder") strphiacfile = Range("phiacfile") On Error GoTo ErrMsg Workbooks.Open Filename:="O:\Phiac Data\PhiacTables\" & strfolder & "\" & strphiacfile & ".xls" Exit Sub ErrMsg: MsgBox ("Type in your message here."), , "MESSAGE TITLE" End Sub Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote Oct 17th, 2006,08:26 PM #3 Macropheliac Board Regular Join Date Aug 2005 Posts 165 I can't test it, but maybe this: Code: Sub openphiac() On Error GoTo Errormask Dim strfolder As String Dim strphiacfile As String strfolder = Range("folder") strphiacfile = Range("phiacfile") Workbooks.Open Filename:="O:\Phiac Data\PhiacTables\" & strfolder & "\" & strphiacfile & ".xls" Errormask: MsgBox "Text Here!" End Sub Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote Oct 17th, 2006,08:35 PM #4 cmhoz Board Regular Join Date Aug 2006 Location Australia Posts 268 works like a charm... except
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Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation vba error handling in loop Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like err.number vba you, helping each other. Join them; it only takes a minute: Sign up VBA: How to display an error message just like the standard error message which has a “Debug” button? up vote 12 down vote favorite http://www.mrexcel.com/forum/excel-questions/229230-visual-basic-applications-if-error-show-msgbox.html 5 As usual, I create an error-handler using On Error Goto statement, there I put a few lines of cleaning codes and display the error message, but now I don't want to lose the comfortableness of the default handler which also point me to the exact line where the error has occured. How can I do that? Thanks in advance. excel vba scripting excel-vba ms-office share|improve this question asked Oct 12 '10 at 5:43 Vantomex 1,60431319 http://stackoverflow.com/questions/3911973/vba-how-to-display-an-error-message-just-like-the-standard-error-message-which Just to keep the proper links ... this question continues here: stackoverflow.com/questions/3929997/… –Dr. belisarius Oct 16 '10 at 0:27 add a comment| 3 Answers 3 active oldest votes up vote 30 down vote accepted First the good news. This code does what you want (please note the "line numbers") Sub a() 10: On Error GoTo ErrorHandler 20: DivisionByZero = 1 / 0 30: Exit Sub ErrorHandler: 41: If Err.Number <> 0 Then 42: Msg = "Error # " & Str(Err.Number) & " was generated by " _ & Err.Source & Chr(13) & "Error Line: " & Erl & Chr(13) & Err.Description 43: MsgBox Msg, , "Error", Err.HelpFile, Err.HelpContext 44: End If 50: Resume Next 60: End Sub When it runs, the expected MsgBox is shown: And now the bad news: Line numbers are a residue of old versions of Basic. The programming environment usually took charge of inserting and updating them. In VBA and other "modern" versions, this functionality is lost. However, Here there are several alternatives for "automatically" add line numbers, saving you the tedious task of typing them ... but all of them seem more or less cumbersome ... or commercial. HTH! share|improve this answer edited Oct 12 '10 at 13:27 answered Oct 12 '10 at 13:13 Dr. belisarius 51.3k1190164 MZTools can add/remove line numbers & its free
with a predefined message. It returns an integer value based on the button clicked by the user, this helps to keep a track of the option http://www.exceltrick.com/formulas_macros/vba-msgbox/ selected by the user. VBA Msgbox can be mainly used for the below three reasons: 1. For displaying a message to the End user. 2. For graceful termination of a program in case of http://www.functionx.com/vbaexcel/Lesson26.htm any unexpected exception. 3. For deciding the program flow based on the user selection. Syntax of MsgBox function in VBA: The syntax of VBA Msgbox is as follows: MsgBox (Text_String [, buttons] [, title] on error [, helpfile, context]) Here ‘Text_String’ is the message that you want the msgbox to display. The maximum length of ‘Text_String’ is 1024 characters. ‘buttons’ parameter specifies the type of buttons and icon that you want to be shown on the message box. It is an optional parameter. If you omit it then msgbox shows the default ‘vbOKOnly’ button. ‘title’ refers to the text displayed in the title on error goto bar of message box. This is an optional parameter. ‘helpfile’ is a string parameter that specifies the help file to be used for the dialog box. It is also an optional parameter but it becomes mandatory if ‘context’ parameter is to be used. ‘context’ is a numeric parameter that specifies the number assigned to the appropriate Help topic. It is an optional parameter but it becomes mandatory if ‘helpfile’ parameter is used. Different values of ‘buttons’ parameter in Msgbox: In VBA message box, ‘buttons’ parameter can have following values: Constant Description vbOKOnly It displays a single OK button vbOKCancel It displays two buttons OK and Cancel. vbAbortRetryIgnore It displays three buttons Abort, Retry, and Ignore. vbYesNoCancel It displays three buttons Yes, No, and Cancel. vbYesNo It displays two buttons Yes and No. vbRetryCancel It displays two buttons Retry and Cancel. vbCritical It displays a Critical Message icon. vbQuestion It displays a Query icon. vbExclamation It displays a Warning Message icon. vbInformation It displays an Information Message icon. vbDefaultButton1 First button is treated as default. vbDefaultButton2 Second button is treated as default. vbDefaultButton3 Third button is treated as default. vbDefaultButton4 Fourth button is treated as default. vbApplicationModal This suspends the current applica
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(