Chapter 7

Debugging and Error Handling


  • Debugging methods available in the IDE
  • Error-handling techniques available in C#


You can find the code downloads for this chapter at on the Download Code tab. The code is in the Chapter 7 download and individually named according to the names throughout the chapter.

So far this book has covered all the basics of simple programming in C#. Before you move on to object-oriented programming in the next part, you need to look at debugging and error handling in C# code.

Errors in code are something that will always be with you. No matter how good a programmer is, problems will always slip through, and part of being a good programmer is realizing this and being prepared to deal with it. Of course, some problems are minor and don’t affect the execution of an application, such as a spelling mistake on a button, but glaring errors are also possible, including those that cause applications to fail completely (usually known as fatal errors). Fatal errors include simple errors in code that prevent compilation (syntax errors), or more serious problems that occur only at runtime. Some errors are subtle. Perhaps your application fails to add a record to a database because a requested field is missing, or adds a record with the wrong data in other restricted circumstances. Errors such as these, where application logic is in some ...

Get Beginning Visual C# 2012 Programming now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.