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Samples Retired content We’re sorry. The content you requested has been removed. You’ll be auto redirected error handling in vbscript tutorial in 1 second. VBScript VBScript Language Reference Statements (VBScript) Statements (VBScript) On Error Statement On Error Statement On Error Statement Call Statement Class Statement (VBScript) Const Statement
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(VBScript) Dim Statement Do...Loop Statement Erase Statement Execute Statement ExecuteGlobal Statement Exit Statement For Each...Next Statement For...Next Statement Function Statement (VBScript) If...Then...Else Statement On Error Statement Option Explicit Statement Private Statement Property Get Statement Property Let Statement Property Set Statement Public Statement Randomize Statement ReDim Statement Rem Statement Select Case Statement Set Statement vbscript error handling best practices Stop Statement Sub Statement While...Wend Statement With Statement (VBScript) 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. On Error Statement Enables or disables error-handling.Syntax Copy On Error Resume Next On Error GoTo 0 RemarksIf you don't use an On Error Resume Next statement anywhere in your code, any run-time error that occurs can cause an error message to be displayed and code execution stopped. However, the host running the code determines the exact behavior. The host can sometimes opt to handle such errors differently. In some cases, the script debugger may be invoked at the point of the error. In still other cases, there may be no apparent indication that any error occurred because the host does not need to notify the user. Again, this is purely a function of how the host handles any errors that occur.W
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with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow vbscript error handling line number is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up What does the “On Error Resume Next” statement do? up vote 41 https://msdn.microsoft.com/en-us/library/53f3k80h(v=vs.84).aspx down vote favorite 4 I came to some VBScript examples, and I saw the statement On Error Resume Next basically at the beginning of the script. What does it do? vbscript error-handling share|improve this question edited Feb 4 '10 at 20:42 Helen 18.3k44174 asked Feb 4 '10 at 20:18 Omar 3,364114280 4 It is a very powerful, but dangerous bit of syntax. Be very cautious using it. –Nate Feb http://stackoverflow.com/questions/2202869/what-does-the-on-error-resume-next-statement-do 4 '10 at 20:22 2 It makes more sense now. After some functions that can end up in error. They have a function called checkError after them. –Omar Feb 4 '10 at 20:37 add a comment| 6 Answers 6 active oldest votes up vote 56 down vote accepted It basically tells the program when you encounter an error just continue at the next line. share|improve this answer answered Feb 4 '10 at 20:19 David 2,2601523 add a comment| up vote 24 down vote It's worth noting that even when On Error Resume Next is in effect, the Err object is still populated when an error occurs, so you can still do C-style error handling. On Error Resume Next DangerousOperationThatCouldCauseErrors If Err Then WScript.StdErr.WriteLine "error " & Err.Number WScript.Quit 1 End If On Error GoTo 0 share|improve this answer answered Feb 5 '10 at 15:49 Tmdean 6,5002645 add a comment| up vote 19 down vote When an error occurs, the execution will continue on the next line without interrupting the script. share|improve this answer answered Feb 4 '10 at 20:19 Pierre-Alain Vigeant 13.7k44388 add a comment| up vote 8 down vote It means, when an error happens on the line, it is telling vbscript to co
VBScript in a Nutshell by Matt Childs... Published by O'Reilly Media, Inc. VBScript in a Nutshell Preface Why This Book? Who Should Read This Book? How https://www.safaribooksonline.com/library/view/vbscript-in-a/1565927206/ch04s02.html This Book Should Be Used How This Book Is Structured Conventions in This https://www.tutorialspoint.com/vbscript/vbscript_error_handling.htm Book How To Contact Us I. The Basics 1. Introduction 2. Program Structure 3. Data Types and Variables 4. Error Handling and Debugging 5. VBScript with Active Server Pages 6. Programming Outlook Forms 7. Windows Script Host 8. VBScript with Internet Explorer II. Reference 9. The Language Reference III. Appendixes A. Language on error Elements by Category B. VBScript Constants C. Operators Index Colophon Error Handling Error handling does not involve finding errors in your scripts. Instead, use error handling techniques to allow your program to continue executing even though a potentially fatal error has occurred. Ordinarily, all runtime errors that are generated by the VBScript engine are fatal, since execution of the current script is halted when the vbscript on error error occurs. Error handling allows you to inform the user of the problem and either halt execution of the program or, if it is prudent, continue executing the program.The On Error Resume Next StatementThere are two main elements to error handling in VBScript. The first is the On Error statement, which informs the VBScript engine of your intention to handle errors yourself, rather than to allow the VBScript engine to display a typically uninformative error message and halt the program. This is done by inserting a statement like the following at the start of a procedure:On Error Resume NextThis tells the VBScript engine that, should an error occur, you want it to continue executing the program starting with the line of code which directly follows the line in which the error occurred. For example, in the simple WSH script:On Error Resume Next x = 10 y = 0 z = x / y Alert za “Cannot divide by Zero” error is generated on the fourth line of code because the value of y is 0. But because you’ve placed the On Error statement in line 1, program execution continues with line 5. The problem
Enabling VBScript - Placement VBScript - Variables VBScript - Constants VBScript - Operators VBScript - Decisions VBScript - Loops VBScript - Events VBScript - Cookies VBScript - Numbers VBScript - Strings VBScript - Arrays VBScript - Date VBScript Advanced VBScript - Procedures VBScript - Dialog Boxes VBScript - Object Oriented VBScript - Reg Expressions VBScript - Error Handling VBScript - Misc Statements VBScript Useful Resources VBScript - Questions and Answers VBScript - Quick Guide VBScript - Useful Resources VBScript - Discussion Selected Reading Developer's Best Practices Questions and Answers Effective Resume Writing HR Interview Questions Computer Glossary Who is Who VBScript - Error Handling Advertisements Previous Page Next Page There are three types of errors in programming: (a) Syntax Errors and (b) Runtime Errors (c) Logical Errors. Syntax errors Syntax errors, also called parsing errors, occur at interpretation time for VBScript. For example, the following line causes a syntax error because it is missing a closing parenthesis: Runtime errors Runtime errors, also called exceptions, occur during execution, after interpretation. For example, the following line causes a runtime error because here syntax is correct but at runtime it is trying to call fnmultiply, which is a non-existing function: Logical errors Logic errors can be the most difficult type of errors to track down. These errors are not the result of a syntax or runtime error. Instead, they occur when you make a mistake in the logic that drives your script and you do not get the result you expected. You can not catch those errors, because it depends on your business requirement what type of logic you want to put in your program. For example, dividing a nu