January 2003
Beginner
696 pages
16h 38m
English
Content preview from Sams Teach Yourself Visual Studio® .NET 2003 in 21 DaysBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Understanding Exceptions in .NET
When an error occurs in a Visual Basic 6.0 application, the Err object fills with information about the last error that occurred. Your application is then thrown that error information, and the error is handled by the On Error code you wrote. In Visual Basic .NET, the Err object still exists, but for backward compatibility only. In C#, the Err object doesn't exist. To make your code compliant with the Common Language Specification (CLS), you must use the exception object from the System.Exception class in the Framework Class Library (FCL).
The Exception object contains the information you need about the last error that occurred in your application. When an error occurs, an Exception object is created. So, when ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.