Access Vba Global Error Handler
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and master Access, the generation our VBA code will supercede the use of certain wizards. One of those will eventually be the VBA Code Wizard. Although it is a quick method of generating a procedural ‘shell’, it’s auto-generated error handling can be more robust when we more effectively manage any errors that may occur. Writing error handling routines for each and every procedure can be access vba error handling module tedious. The code example(s) and demo app of this tutorial can provide a way to trap and manage unexpected errors. But then, what other kind of error is there? (Random, undocumented features, to be sure!) A ‘global’ approach to error handling is the thrust of this discussion, where we will employ ‘global’ variables to assist in the management of the information collected during an error trapping process. We will also explore the primary Error Handling routine(s)/module in detail and how the ‘global’ variables play their part in passing a procedure’s error info to the primary routine. Then, once the primary routine has been given a procedural call and error info, we will be able to present a user with an on-screen message, a text-based error file and/or the ability to email the error to a developer and/or application administrator. Also demonstrated will be how to bring these Global Error Handling routines into your working Access application. Contents 1 Discussion 2 The Variables 3 The Code 4 The Demo 5 The File: [edit] Discussion Always backup any database before making changes of any kind. The primary module, modErrorHandler, contains both the global variable declarations as we
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be auto redirected in 1 second. Office 2007 Access 2007 Technical Articles Technical Articles Error Handling and Debugging Tips for Access 2007, VB, and VBA Error http://www.utteraccess.com/wiki/index.php/Error_Handling_(Global) Handling and Debugging Tips for Access 2007, VB, and VBA Error Handling and Debugging Tips for Access 2007, VB, and VBA Basics for Building Access 2007 Runtime-Based Solutions Building SQL Statements that Include Variables and Controls in Access 2007 Constructing Modern Time Elapsed Strings in Access 2007 Counting the Number of https://msdn.microsoft.com/en-us/library/ee358847(v=office.12).aspx Working Days in Access 2007 Creating Managed Add-ins for Access 2007 Customizing the Office Fluent User Interface in Access 2007 Deploying Access 2007 Runtime-Based Solutions Developing Access 2007 Solutions with Native C or C++ Developer Considerations for Choosing File Formats in Access 2007 Error Handling and Debugging Tips for Access 2007, VB, and VBA Integrating Workflows into Access 2007 Applications Performance Tips To Speed Up Your Access 2007 Database Security Considerations and Guidance for Access 2007 Tips and Techniques for Queries in Access 2007 Transitioning Your Existing Access Applications to Access 2007 Using Excel Date Functions in Access 2007 Using SQL Server 2008 Table-valued Parameters in Access 2007 TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Error Handling and Debugging Tips for Acce
Search Community Links Social Groups Pictures & Albums Members List Calendar Search Forums Show Threads Show Posts Tag Search Advanced Search Find All Thanked Posts Go to Page... Page 1 of 2 1 2 > Thread Tools Rating: Display Modes 07-18-2007, 07:47 http://www.access-programmers.co.uk/forums/showthread.php?t=132166 PM #1 Banana split with a cherry atop. Join Date: Sep 2005 Posts: 6,317 Thanks: 0 Thanked 88 Times in 72 Posts VBA's Error Handling: How can it be done better? I do not know how other people here feel, http://www.everythingaccess.com/simplyvba/globalerrorhandler/enablinganddisabling.htm but I've always thought of VBA's error handling as clunky, ugly and most of all, tedious as there's several things to be done manually. For one thing, I'm spoiled by try/catch blocks. For those not familiar with this structure: Code: Try 'Execute vba error code 'Cause an error, which is called an exception. Catch ex As Exception 'Handle exception here Finally 'This executes whether an exception was not thrown or not. This is great place for putting in your clean up code. End Try Not only the try/catch block reads much more smoothly than 'OnError GoTo X', it makes the code less spaghetti-y, now that we don't need to make sure there's a Exit Sub before the error handler section to prevent the flow spilling over into the error vba error handler handler. Furthermore, there's now a centralized location for all clean up code; no need to remember to include the cleanups in the error handler. But VBA doesn't support try/catch block, so we'll have to do best as we can. That doesn't stop me, however, from wondering if we could make the whole error handling much more simpler and self-maintaining. Here is my usual error routines: Code: Private Sub Something On Error GoTo PROC_ERR 'Execute my code here ExitSub: 'Execute my clean up code here Exit Sub PROC_ERR 'Catch any errors that may be specific to this sub and handle it locally 'If generic error, call a public sub to record the error GoTo ExitSub: End Sub I usually make use of a error-logging table to give me what modules and what procedures the error occurred, the error number, description, time-stamp and the user. I just came across an new idea and am considering implementing this: Whenever an error is encountered, do a lookup against a error table to determine how to response to the error (e.g. Resume, Resume Next, Exit Sub, or Quit). Combined with error log, I could initially set default value to exit sub, and as time progress and I get to know more about errors, modify the response. This is closer to a bit more dynamic error than the present system I have which simply exit the sub (not always desirable). That said, I can't help but wonder if we can create a class module to extend the
MORE Full restoration service (including source code) for MDE, ACCDE and ADE files Access Database Repair Service IN THE SPOTLIGHT: Access Database Repair Service An in-depth repair service for corrupt Microsoft Access files TELL ME MORE Professional, friendly service for repairing corrupt Microsoft Access files (MDBs, ACCDBs, etc) vbWatchdog IN THE SPOTLIGHT: vbWatchdog VBA error handling just got easier... "vbWatchdog is off the chart. It solves a long standing problem of how to consolidate error handling into one global location and avoid repetitious code within applications. "- Joe Anderson, Microsoft Access MVP Meet Shady, the vbWatchdog mascot watching over your VBA code →(courtesy of Crystal Long, Microsoft Access MVP) TELL ME MORE vbWatchdog: A unique code library offering global error catching for your VBA & VB6 projects. vbMAPI IN THE SPOTLIGHT: vbMAPI An Outlook / MAPI code library for VBA, .NET and C# projects Get emails out to your customers reliably, and without hassle, every single time. Use vbMAPI alongside Microsoft Outlook to add professional emailing capabilities to your projects. TELL ME MORE vbMAPI: An easy-to-use Outlook / MAPI code library for VBA, .NET and C# projects. Code Protector IN THE SPOTLIGHT: Code Protector Standard compilation to MDE/ACCDE format is flawed and reversible. TELL ME MORE Protect your valuable intellectual property, by securing your MDE/ACCDE projects using Code Protector EverythingAccess.com requires JavaScript for many of its features. Please turn on Javascript in your internet browser. SimplyVBA and SimplyVB6Global Error Handler(v1.6.0)IntroductionLicense & DownloadVersion HistoryQuickStart: Installation (VBA)QuickStart: Installation (VB6)QuickStart: How it worksQuickStart: Enabling and disabling (VBA)QuickStart: Enabling and disabling (VB6)QuickStart: The ErrEx functionQuickStart: Reading the call stackQuickStart: Variables Inspector (VBA)QuickStart: Automatic line numberingQuickStart: The Vista-style Error DialogQuickStart: Sample.mdb (VBA)QuickStart: BookmarksQuickStart: Error PropagationTips: Converting existing codeFrequently Asked Questionsref: ErrEx propertiesref: Callstack object proper