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This statement terminates the macro when no run-time error occurs; without it, execution would fall into the error handler regardless of whether an error occurred.Now when the user runs the macro after selecting a chart object, the user sees a polite message box instead of a rude run-time error message. The code works fine when the selected worksheet range includes numbers, text, or blank cells.The foregoing error-handler examples assume that your program should terminate when a run-time error occurs.
In the case of your Lakhs Crores routine, the macro complete with error handling might look like this: 100000 Then cell.
Number Format = "##"",""##"",""###" End If Next cell 'Exit sub statement keeps execution from entering 'error handler if no error occurs Exit Sub 'Error handler Error Handler: Msg Box "Please select a worksheet range" End Sub Notice that the error handler goes at the end of the program, introduced by the label that appeared in the On Error statement.
If the user selects a range containing one or more error values, the program skips over those cells that it cant format and formats the ones it can.
In all cases, neither error message nor message box appears, and all is well. Of course, when you use On Error Resume Next, youre disabling VBAs run-time checking altogether.
Try this simple example and see what happens: Hi Tudor, Thanks for your reply. i also need to place finally kind of block which will be called after all iterations. Checked exceptions are runtime exceptions, and from these ones you can recover from.
Therefore you should avoid using catch statemens looking for the "Exception" base class. You should probably consider looking for specific exceptions(normally sub-classes of Run-Time exceptions). You should also keep in mind that you shouldn't use exception handling as workflow.
You can trap an error like thisthat is, shield yourself and others from VBAs run-time error messagesby means of an On Error Go To statement.
The statement must appear before the code that might cause a run-time error, and it has the following syntax, in which label is a name that identifies an error-handling section elsewhere in your program: If a run-time error occurs, the On Error Go To statement transfers execution to the errorhandling code.
(A range is a collection of cells, so For Each does work with a range.) Even though you can figure out easily enough what the error message means and what you have to do about it (try again with a range selected), the message might still be annoying.
If you intend for this macro to be used by someone else, its definitely impolite to let that other user see such a message.
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