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This property holds a (usually short) message about the error number. You should first be able to do something like that: Set objexcel = CreateObject("excel.Application") objexcel.Visible = True On Error GoTo error_Treatment wbExists = False Set wbexcel = objexcel.Workbooks.Open("C:\REPORT3.xls") Set objSht = Result: Conclusion: Excel VBA has ignored cells containing invalid values such as negative numbers and text. When there is an error-handling routine, the debugger executes it, which can make debugging more difficult.

Resume next 'go back to the code' Case Else debug.print err.number, err.description '(check if .description is a property of the error object)' 'your error will be displayed in the immediate windows Well-informed users can change this setting, so I recommend that you include a procedure, similar to the one in Listing A, to your application's startup routine. Errors in general come in three flavors: compiler errors such as undeclared variables that prevent your code from compiling; user data entry error such as a user entering a negative value This causes an error (9 - Subscript Out Of Range), and the code jumps to the error handling block which creates the sheet, correcting the problem, and resumes execution at the

If you're in the camp that finds error handling during the development phase too invasive, you can add a generic handler and comment it out until you're ready for it. Created By Chip Pearson and Pearson Software Consulting, LLC This Page: Updated: November 06, 2013 MAIN PAGE About This Site Consulting Downloads Page Index Search Topic Index What's New Powered by vBulletin Version 4.2.3 Copyright © 2016 vBulletin Solutions, Inc. We want to calculate the square root of each cell in a randomly selected range (this range can be of any size).

Resume Next 6. 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 Maybe you are using the on error statements incorrectly. –Dirk Vollmar Dec 1 '08 at 14:23 add a comment| Your Answer draft saved draft discarded Sign up or log in If PayrollEmployeeNumber = "" Then ' ...

The HelpFile and HelpContext arguments represent the help file and help context ID used to link help to the error message box.     Raise Custom Errors (user-defined errors) using the You don't have to declare a variable for this class. Debugging Code with Error Handlers When you are debugging code, you may find it confusing to analyze its behavior when it generates errors that are trapped by an error handler. Why let a runtime error ruin it all?

End Select Resume Next ' Resume execution at same line ' that caused the error. All contents Copyright 1998-2016 by MrExcel Consulting. Tip #2 contains the simplest error-handling routine. What's the most recent specific historical element that is common between Star Trek and the real world?

Case 6 ' Divide by zero error MsgBox("You attempted to divide by zero!") ' Insert code to handle this error Case Else ' Insert code to handle other situations here... Maybe the path specified for the picture is wrong. To do this, type ? Is there a role with more responsibility?

To do this, you can use an If...Then conditional statement to check the number. Exit the Visual Basic Editor and test the program. Resume next 'go back to the code' Case **** '(whatever other error to treat)' .... .... UCase("Rpublique d'Afrique du Sud") After typing the function and pressing Enter, the result would display in the next line: The Debug Object The Immediate window is recognized in code as

If no such error handler is found, the error is fatal at the point at which it actually occurred. But as we are using On Error Resume Next statement so this line will be skipped and the control will flow to the next statement. In such cases all the statements between the exception line and the label will not be executed. In a nutshell, Resume Next skips an error and GoTo 0 tells the debugger to stop skipping errors.

Pearson Excel TrickTricking Excel The Smarter Way! Err.Source returns 'Microsoft Office Excel' ActiveSheet.Name = "Sheet1" 'Run-time error '76': Path not found (the specified path is not found) ChDir "C:\ExcelClients" 'Run-time error '68': Device unavailable (drive does not exist) The application may crash. within the Excel Questions forums, part of the Question Forums category; Sometimes I want Excel to ignore errors, so I put the line: "On error resume next" in my code.

It instructs to VBA to essentially ignore the error and resume execution on the next line of code. A compile-time error will occur if the specified line argument is not in the same procedure as as the On Error statement. Specifically, Resume returns control to the line that generated the error. However, some developers find these generic routines annoying.

When an error occurs, you would present a message to the user to make him/her aware of the issue (the error). Using the On Error Resume Next statement only defers error trapping & handling, whereas an error-handling routine handles the error and using the Resume Next statement therein resumes execution at same Filed Under: Formulas Tagged With: Excel All Versions About Ankit KaulAnkit is the founder of Excel Trick. Square Root 2 Add the following code lines to the 'Square Root 2' command button. 1.

If this option is not selected, an error may or may not cause an error message to be displayed, depending on where the error occurred. It is the responsibility of your code to test for an error condition and take appropriate action. In the case of an arithmetic calculation, imagine we know that the problem was caused by the user typing an invalid number (such as typing a name where a number was The following code causes an error (11 - Division By Zero) when attempting to set the value of N.

This situation arises when you want to execute a task knowing that it might generate an error, and often, the error is what you're after! If the calling procedure's error handler is also active, control passes back through previous calling procedures until an enabled, but inactive, error handler is found. The Resume statement takes three syntactic form: Resume Resume Next Resume

The more problems you prepare for, the least phone calls and headaches you will have. You don't want to mask other errors. 5: Handle the exit Once the error-handling routine completes its task, be sure to route control appropriately: By exiting the procedure By returning control The Error Number As mentioned already, there are various types of errors that can occur to your program.