Sams Teach Yourself C# 5.0 in 24 Hours

Hour 11. Handling Errors Using Exceptions

What You’ll Learn in This Hour

• Understanding exceptions

• System.Exception

• Throwing exceptions

• Handling exceptions

• Rethrowing caught exceptions

• Overflow and integer arithmetic

• Exceptions, code contracts, and parameter validation

As an application executes, it can encounter any number of possible error conditions. C# handles these error conditions using exceptions, which encapsulate the information about an error in a single class. Exceptions are intended to be used only for failure reporting, so they provide a consistent way to report and respond to those failures. Exceptions are not intended to provide a mechanism to control program flow, to report success conditions, or to be used as a ...