Creating Error Messages Vba
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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: How excel vba suppress error messages to display an error message just like the standard error message which has a “Debug” button? up vote 12 down vote favorite 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 vba error message object required 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 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 29 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
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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 http://stackoverflow.com/questions/3911973/vba-how-to-display-an-error-message-just-like-the-standard-error-message-which only takes a minute: Sign up Make messages for specific Excel error Messages using VBA? up vote 3 down vote favorite Is there a way to say if Error 1004 shows up, show message "Message" and If Error 9, show message "Message2" instead of generic non-descriptor geek speak message for end user? excel vba excel-vba share|improve this question edited Sep http://stackoverflow.com/questions/11506364/make-messages-for-specific-excel-error-messages-using-vba 22 '12 at 8:21 Siddharth Rout 91.1k11102146 asked Jul 16 '12 at 14:22 Matt Ridge 1,204113252 add a comment| 1 Answer 1 active oldest votes up vote 5 down vote accepted What you are trying to do is called Error Handling. See this Example. You can trap the Error Number using Err.Number Sub Sample() On Error GoTo Whoa '~~> Rest of the code Exit Sub Whoa: Select Case Err.Number Case 9 MsgBox "Message1" Case 1004 MsgBox "Message2" End Select End Sub FOLLOWUP Sub Sample1() On Error GoTo Whoa '~~> Rest of the code Exit Sub Whoa: MsgBox GetErrMsg(Err.Number) End Sub Sub Sample2() On Error GoTo Whoa '~~> Rest of the code Exit Sub Whoa: MsgBox GetErrMsg(Err.Number) End Sub Function GetErrMsg(ErNo As Long) As String Select Case ErNo Case 9 GetErrMsg = "Message1" Case 1004 GetErrMsg = "Message2" Case Else GetErrMsg = "Message3" End Select End Function share|improve this answer edited Jul 16 '12 at 15:18 answered Jul 16 '12 at 14:25 Siddharth Rout 91.1k11102146 Sweet and simple, the best type of code, thanks :) Just one question
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 http://www.functionx.com/vbaexcel/Lesson26.htm 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 error message 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 vba error message 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 th