Error Function Vba
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Vba Error Handling Function
We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. Visual vba on error exit function 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 Statement vba on error goto function 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
Vba Clear Error
This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. On Error Statement (Visual Basic) Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 Visual Studio .NET 2003 Enables an error-handling routine and specifies the location of the routine within a procedure; can also be used to disable an error-handling routine. Without an On Error statement, any run-time error that occurs is fatal: an error message is displayed, and execution stops.Whenever possible, we suggest you use structured exception handling in your code, rather than using unstructured exception handling and the On Error statement. For more information, see Try...Catch...Finally Statement (Visual Basic).Note The Error keyword is also used in the Error Statement, which is supported for backward compatibility.Syntax Copy On Error { GoTo [ line | 0 | -1 ] | Resume Next } PartsTermDefinitionGoTo lineEnables the error-handling routine that starts at the line specified in the required line ar
of the function is:Error( [ErrorNumber] )Where [ErrorNumber] is an optional integer argument representing the required error number.If the [ErrorNumber] argument is omitted, the Error function returns the most recent run-time error.Note that:If the [ErrorNumber] on error exit sub vba argument is zero, the Error function returns an empty String.If the [ErrorNumber] iserror vba argument is omitted and there have not been any run-time errors so far, the Error function returns an empty
On Error Vba
String.VBA Error Function ExamplesExample 1The following VBA code uses the Error function to get the error messages for the error codes 5 and 11.The last call to the Error function https://msdn.microsoft.com/en-us/library/5hsw66as.aspx has no argument and so returns the most recent run-time error (none in this case).' Display the error messages for different error codes.Dim errMsg1 As StringDim errMsg2 As StringDim errMsg3 As StringerrMsg1 = Error( 5 )' Now, errMsg1 = "Invalid procedure call or argument".errMsg2 = Error( 11 )' Now, errMsg2 = "Division by zero".errMsg3 = Error()' Now, errMsg3 = "" (no run-time http://www.excelfunctions.net/vba-error-function.html errors have yet occurred).Example 2The following example shows a simple VBA function that divides a supplied number by a second supplied number.If the second supplied number is zero, a message box showing the corresponding error message is displayed.' Function to divide two numbers.Function performDiv( num1 As Double, num2 As Double )if num2 = 0 Then' Display the error message corresponding to error code 11 (represents division by zero).MsgBox ( Error( 11 ) )' Code to run if the divisor is zero.performDiv = CVErr( 11 )Else' Perform the division.performDiv = num1 / num2End IfEnd FunctionIn the above function, if the second supplied number is zero, the following message box is displayed:A useful list of VBA error codes and the corresponding error messages is provided on the Wiley Online Library website. Return to the VBA Functions PageReturn to the Excel VBA Tutorial Page Home Basic Excel Built-In Excel Functions ▾ List of All Excel Functions Text Functions Logical Functions Information Functions Date & Time Functions Lookup & Reference Functions Math Functions Statistical Functions Database Functions Financial Functions Engineering Functions Excel 2013 New Functions Excel Vlookup Tutor
page describes how to return errors from VBA User Defined Functions. Returning Errors From VBA Functions If you use VBA or another COM language to create User Defined Functions (functions that are called directly from worksheet cells) in a module or add-in, you likely will need to return an error value under http://www.cpearson.com/excel/ReturningErrors.aspx some circumstances. For example, if a function requires a positive number as a parameter and the user http://www.cpearson.com/excel/errorhandling.htm passes in a negative number, you should return a #VALUE error. You might be tempted to return a text string that looks like an error value, but this is not a good idea. Excel will not recognize the text string, for example #VALUE, as a real error, so many functions and formulas may misbehave, especially ISERROR, ISERR, and IFERROR, and ISNA. These functions require a on error real error value. VBA provides a function called CVErr that takes a numeric input parameter specifying the error and returns a real error value that Excel will recognize as an error. The values of the input parameter to CVErr are in the XLCVError Enum and are as follows: xlErrDiv0 (= 2007) returns a #DIV/0! error. xlErrNA (= 2042) returns a #N/A error. xlErrName (= 2029) returns a #NAME? error. xlErrNull (= 2000) returns a #NULL! error. xlErrNum (= 2036) returns a vba on error #NUM! error. xlErrRef (= 2023) returns a #REF! error. xlErrValue (= 2015) returns a #VALUE! error. The only legal values of the input parameter to CVErr function are those listed above. Any other value causes CVErr to return a #VALUE. This means, unfortunately, that you cannot create your own custom error values. In order to return an error value, the function's return data type must be a Variant. If the return type is any other data type, the CVErr function will terminate VBA execution and Excel will report a #VALUE error in the cell. Note that these errors are meaningful only to Excel and have nothing at all to do with the Err object used to work with runtime errors in VBA code. Example Code The following is a example using CVErr. Function Test(D As Double) As Variant If D < 0 Then Test = CVErr(xlErrValue) Else Test = D * 10 End If End Function This function will return a #VALUE! error if the input parameter is less than 0. Note that the return type of the function is Variant. You can also use CVErr to test whether a cell has a specific error value in it. However, you must first test whether the cell contains any sort of error, and then, if it does contain an error, test which type of error. For example, Dim R As Range Set R = Range("A1") If IsError(R.Value) = True Then If R.Value = CVErr(xlErrV
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 where only a positive number is acceptable; and run time errors, that occur when VBA cannot correctly execute a program statement. We will concern ourselves here only with run time errors. Typical run time errors include attempting to access a non-existent worksheet or workbook, or attempting to divide by zero. The example code in this article will use the division by zero error (Error 11) when we want to deliberately raise an error. Your application should make as many checks as possible during initialization to ensure that run time errors do not occur later. In Excel, this includes ensuring that required workbooks and worksheets are present and that required names are defined. The more checking you do before the real work of your application begins, the more stable your application will be. It is far better to detect potential error situations when your application starts up before data is change than to wait until later to encounter an error situation. If you have no error handling code and a run time error occurs, VBA will display its standard run time error dialog box. While this may be acceptable, even desirable, in a development environment, it is not acceptable to the end user in a production environment. The goal of well designed error handling code is to anticipate potential errors, and correct them at run time or to terminate code execution in a controlled, graceful method. Your goal should be to prevent unhandled errors from arising. A note on terminology: Throughout this article, the term procedure should be taken to mean a Sub, Function, or Property procedure, and the term exit statement should be taken to mean Exit Sub, Exit Function, or Exit Property. The term end statement should be taken to mean End Sub , End Function, End Property, or just End. The On Error Statement The heart of error handling in VBA is the On Error statement. This statement instructs VBA w