On Error Vba Message Box
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I have a subroutine that opens a file based on some input from the user.... generally the file it
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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 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 on error goto line 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, 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 Macrophel
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company vba on error goto 0 Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs vba error handling in loop Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just err.number vba like 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 http://www.mrexcel.com/forum/excel-questions/229230-visual-basic-applications-if-error-show-msgbox.html 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 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 http://stackoverflow.com/questions/3911973/vba-how-to-display-an-error-message-just-like-the-standard-error-message-which 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 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
generally put more focus on the coding part and getting the desired result but during this process we forget an important thing i.e. Error handling. Error handling is an important part of every code and VBA http://www.exceltrick.com/formulas_macros/vba-on-error-statement/ On Error Statement is an easy way for handling unexpected exceptions in Excel Macros. A http://database.ittoolbox.com/groups/technical-functional/excel-l/vba-if-error-display-message-box-and-then-resume-next-5225514 well written macro is one that includes proper exception handling routines to catch and tackle every possible error. Error handling is important because in case of any unexpected exceptions your code doesn’t break. Even if any fatal unexpected error occurs in the code then also you should ensure that the code should terminate gracefully. Definition of VBA On Error Statement: on error On Error statement instructs VBA Compiler, what to do in case any runtime exception are thrown. Syntax of On Error Statement: Basically there are three types of On Error statement: On Error Goto 0 On Error Resume Next On Error Goto
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