Error Handling And Debugging In Vbscript
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Published by O'Reilly Media, Inc. VBScript in a Nutshell Preface Why This Book? Who Should Read This Book? How This Book Should Be Used How This Book Is Structured Conventions in This Book How To Contact Us I. The debugging vbscript in notepad++ Basics 1. Introduction 2. Program Structure 3. Data Types and Variables 4. Error Handling and Debugging
Debugging Vbscript In Visual Studio 2010
5. VBScript with Active Server Pages 6. Programming Outlook Forms 7. Windows Script Host 8. VBScript with Internet Explorer II. Reference 9. The debugging vbscript in visual studio 2012 Language Reference III. Appendixes A. Language Elements by Category B. VBScript Constants C. Operators Index Colophon Chapter 4. Error Handling and DebuggingErrors, bugs, and therefore debugging are a part of life for a programmer. As the saying goes, if you vbscript error handling best practices haven’t made any mistakes, then you aren’t trying hard enough.Dealing with errors actually involves two very different processes: error handling and debugging. Error handling is a combination of coding and methodology that allows your program to anticipate user and other errors. It allows you to create a robust program. Error handling does not involve weeding out bugs and glitches in your source code, although some of the error handling techniques covered in this chapter can be used to
Vbscript Error Handling Line Number
great advantage at the debugging stage. In general, error handling should be part of your overall program plan, so that when you have an error-free script, nothing is going to bring it to a screeching halt. With some sturdy error handling in place, your program should be able to keep running despite all the misuse that your users can—and certainly will—throw at it.The following ASP page illustrates some simple error handling:
Runtime Objects Close VBScript Programmer's Reference, Third Edition by Kathie Kingsley-Hughes... Published by Wrox Copyright About the Authors Credits Acknowledgments Introduction Whom This Book Is For What This Book Covers How This Book error handling in vbscript examples Is Structured What You Need to Use This Book Conventions Source Code Errata error handling in vbscript tutorial p2p.wrox.com 1. A Quick Introduction to Programming 1.1. Variables and Data Types 1.1.1. Using Variables 1.1.2. Using Comments 1.1.3. Using
Vbscript On Error Resume Next
Built-in VBScript Functions 1.1.4. Understanding Syntax Issues 1.2. Flow Control 1.2.1. Branching 1.2.2. Looping 1.3. Operators and Operator Precedence 1.4. Organizing and Reusing Code 1.4.1. Modularization, Black Boxes, Procedures, and Subprocedures 1.4.2. Turning Code https://www.safaribooksonline.com/library/view/vbscript-in-a/1565927206/ch04.html into a Function 1.4.3. Advantages to Using Procedures 1.5. Top-Down versus Event-Driven 1.5.1. Understanding Top-Down Programming 1.5.2. Understanding Event-Driven Programming 1.5.3. How Top-Down and Event-Driven Work Together 1.5.4. An Event-Driven Code Example 1.6. Coding Guidelines 1.6.1. Expect the Unexpected 1.6.2. Always Favor the Explicit over the Implicit 1.6.3. Modularize Your Code into Procedures, Modules, Classes, and Components 1.6.4. Use the "Hungarian" Variable Naming Convention 1.6.5. Don't Use https://www.safaribooksonline.com/library/view/vbscript-programmers-reference/9780470168080/ch06.html One Variable for More Than One Job 1.6.6. Always Lay Out Your Code Properly 1.6.7. Use Comments to Make Your Code More Clear and Readable, but Don't Overuse Them 1.7. Summary 2. What VBScript Is — and Isn't! 2.1. Windows Script 2.2. Version Information 2.3. VBScript Is a Subset of VB 2.4. VBScript Is a Scripting Language 2.5. VBScript Is Interpreted at Runtime 2.5.1. Runtime Compilation — Disadvantages 2.5.2. Runtime Compilation — Advantages 2.6. Advantages of Using VBScript 2.7. Is VBScript Right for You? 2.8. How VBScript Fits in with the Visual Basic Family 2.8.1. Visual Basic 2.8.2. Visual Basic for Applications 2.8.3. VBScript 2.8.4. Is VBScript a "Real" Programming Language? 2.9. What Can You Do with VBScript? 2.9.1. PowerShell 2.9.2. Windows Script Host 2.9.3. Gadgets 2.9.4. Windows Script Components 2.9.5. Client-Side Web Scripting 2.9.6. Server-Side Web Scripting 2.9.7. Remote Scripting 2.9.8. HTML Applications 2.9.9. Add VBScript to Your Applications 2.10. Tool of the Trade — Tools for VBScript 2.10.1. Text Editor Listing 2.11. Summary 3. Data Types 3.1. Scripting Languages as Loosely Typed 3.2. Why Data Types Are Important 3.3. The Variant: VBScript's Only Data Type 3.3.1. Testing for and Coercing Subtypes 3.3.2. Implicit Type Coercion 3.3.3.
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re https://msdn.microsoft.com/en-us/library/ee358847(v=office.12).aspx sorry. The content you requested has been removed. You’ll 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 http://www.robvanderwoude.com/vbstech_debugging.php Error 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 error handling Variables and Controls in Access 2007 Constructing Modern Time Elapsed Strings in Access 2007 Counting the Number of 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, debugging vbscript in 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 Access 2007, VB, and VBA Office 2007 This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist. Summary: Experienced developers use a variety of techniques to simplify their coding and maintenance efforts. Some of the tricks are general programming styles and conventions, while others are specific to the characteristics of Microsoft Visual Basic 6.0 and Visual Basic for Applications (VBA). Hopefully, by adopting such "best practices" techniq
Challenges C# Getting Started Examples Development Software Books KiXtart Getting Started Examples Links Tools Books Perl Getting Started Examples Links Tools Books PowerShell Getting Started Examples Links Tools Books Regular Expressions Getting Started Expressions Examples Links Tools Books Rexx Getting Started Examples OS/2 LAN Server Links Tools Books VBScript & WSH Getting Started VBScript Techniques Examples HTA & WSC Examples Links Tools Books Challenges Technologies WMI Getting Started Examples Links Tools Books ADSI Getting Started Examples Links Tools Books Silent Installs General Windows Installer Specific Software Software Requirements Hardware Requirements Books Batch Files Windows Resource Kits KiXtart Perl PowerShell Regular Expressions Rexx VBScript & WSH C# WMI ADSI HTML, JavaScript & CSS Off-Topic Scripting Tools Batch Utilities Resource Kits Compilers Editors Code Generators Regular Expressions Automation Tools VBScript Add-Ons Visual Studio Printing Tools Inventory Tools Shell Extensions File Viewers Backup Security The making Of... Miscellaneous Tweaks Web Stuff Conversions My Photo Galleries About This Site Disclaimer News FAQ Search What's New Objective Site Policy Your Preferences Credits The Making Of... Contact Failed Mail Donate VBScript Scripting Techniques > Debugging Your Scripts Debugging Your Scripts Scripts will seldom be perfect right away. This page describes some (debugging) techniques that will help you avoid errors in VBScript, or to find and correct them. Never assume anything Always use Option Explicit and declare all variables (Temporarily) disable all On Error Resume Next lines Modularize your scripts with functions and subroutines Use descriptive names for variables, functions and subroutines Initialize variables Avoid nested functions Display or log intermediate results like variable values and return codes Create and use a debug window Use a VBScript aware editor or IDE with built-in debugger Document your scripts with useful comments Use custom error handling Clean up Check the WSH version Use a debugger, if available For HTAs only: Test for 32-bit MSHTA.EXE on 64-bit Windows Never assume anything This may be the most important thing to keep in mind when scripting—in any language. Never assume a WSH version. Check it using WScript.Version! Read more about WSH versions. Never assume a Windows version. Check it! Never assume Windows' "bittedness" (32-bit vs. 64-bit), test in case it might be critical (i.e. when third party COM objects or external