On Error Number Vba
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Vba Error Handling Best Practices
Visual Basic Language Reference Statements F-P Statements F-P Statements On Error Statement On Error Statement On Error Statement For Each...Next Statement For...Next Statement Function Statement Get Statement GoTo
Vba On Error Exit Sub
Statement If...Then...Else Statement Implements Statement Imports Statement (.NET Namespace and Type) Imports Statement (XML Namespace) Inherits Statement Interface Statement Mid Statement Module Statement Namespace Statement On Error Statement Operator Statement Option
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 On Error Statement is vba on error goto 0 an easy way for handling unexpected exceptions in Excel Macros. A well written macro is one vba error handling in loop that includes proper exception handling routines to catch and tackle every possible error. Error handling is important because in case of any unexpected exceptions vba iferror 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 statement instructs VBA Compiler, what to https://msdn.microsoft.com/en-us/library/5hsw66as.aspx 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
error in Excel VBA occurs, the properties of the Err object are filled with information. Situation: The http://www.excel-easy.com/vba/examples/err-object.html program below calculates the square root of numbers. 1. Place a command button on your worksheet and add the following code lines: Dim rng As Range, cell As Range Set rng = Selection For Each cell In rng On Error GoTo InvalidValue: cell.Value = Sqr(cell.Value) Next cell Exit Sub InvalidValue: MsgBox Err.Number & " " & on error Err.Description & " at cell " & cell.Address Resume Next Result when you select Range("B2:B6") and click the command button on the sheet: Explanation: when an error occurs, the number property of the Err object is filled with an unique error number of the current error and the Description property is filled with the error description of vba error handling the current error. 2. These descriptions may not be very helpful to the users of your program. You can make the error messages more user friendly by modifying the last part of the macro as follows: InvalidValue: Select Case Err.Number Case Is = 5 MsgBox "Can't calculate square root of negative number at cell " & cell.Address Case Is = 13 MsgBox "Can't calculate square root of text at cell " & cell.Address End Select Resume Next Tip: go through our Select Case program to learn more about the Select Case structure. Result: Do you like this free website? Please share this page on Google+ 4/6 Completed! Learn more about macro errors >Go to Top: Err Object|Go to Next Chapter: String Manipulation Chapter<> Macro Errors Learn more, it's easy Debugging Error Handling Err Object Interrupt a Macro Macro Comments Download Excel File err-object.xls Follow Excel Easy Popular Copyright (c) 2010-2016 www.excel-easy.com. All rights reserved. Microsoft Excel Tutorial | Excel Formulas | How to use VBA in Excel