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Now practice your newly learned skills on your own and experiment with the error provider control!
For more information about handling events, see NIB: Consuming Events.
The Common Language Runtime (CLR) represents all errors as exceptions. The Framework class library (FCL) includes a large number of standard exception classes that encapsulate information about common errors.
Working with instances of these classes allows the developer to provide robust error-handling solutions. NET Framework provides two general classes or exceptions that derive from the common An exception associated with the exception whose Inner Exception property you are accessing.
You will first see the programming you can use to handle errors, and then you will see how to use validation techniques to prevent bad data from being entered into your application in the first place.
But in the real world, you need to handle unexpected problems when your code is running.