There is nothing more frustrating than finding out a previous employee has used passwords to protect an Excel file, and it turns out nobody else knows the password. However, before you give in, let me share some ideas on how to crack Excel passwords with VBA. I recommend you download the example file for this post. Download the file: Remove passwords. Did the download remove the worksheet, workbook, or VBA protection from your Excel file? Before we even start discussing how to remove passwords, we need to understand the different types of passwords within an Excel file.
On Error Statement (Visual Basic)
Error Handling and Debugging Tips and Techniques for Microsoft Access, VBA, and Visual Basic (VB6)
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. If you don't use an On Error statement, any run-time error that occurs is fatal; that is, an error message is displayed and execution stops. An "enabled" error handler is one that is turned on by an On Error statement; an "active" error handler is an enabled handler that is in the process of handling an error. If an error occurs while an error handler is active between the occurrence of the error and a Resume , Exit Sub , Exit Function , or Exit Property statement , the current procedure's error handler can't handle the error. Control returns to the calling procedure.
VBA On Error Statement – Handling Errors in Excel Macros
The meaning of the first statement is this: if you get an error, ignore it and resume execution on the next statement. The odd syntax is because Visual Basic has an error handling mode which VBScript does not — VB can branch to a labeled or numbered statement. This is because the error mode is on a per-procedure basis, not a global basis. Consider these two scripts:. They do not have the same semantics.
Herong Yang. This section provides a tutorial example on how to use 'On Error GoTo 0' to turn off the error handling flag in a procedure to catch the first runtime error. As you can see from the previous section, my last VBScript example reported the last runtime error, not the first one. About This Book. Variant Data Type, Subtypes, and Literals.