Exam Ref 70-483: Programming in C#

Objective 1.5: Implement exception handling

When you build your applications, sometimes errors occur. Maybe you want to write a file to disk, and the disk is full. You try to connect to a database, but the database server is unavailable or another unexpected condition exists. Instead of working with error codes, the .NET Framework uses exceptions to signal errors. You can also use these exceptions to signal errors that happen in your own applications and you can even create custom exception types to signal specific errors.

It’s important to know how to work with exceptions so you can implement a well-designed strategy for dealing with or raising errors.

This objective covers how to:

• Handle exceptions.

• Throw exceptions.

• Create custom exceptions.

Handling ...