Sams Teach Yourself C# in 24 Hours

By James Foxall and Wendy Haro-Chun

• Table of Contents
  • Copyright
  • About the Authors
  • Acknowledgments
  • Tell Us What You Think!
  • Introduction
  • Audience and Organization
  • Conventions Used in This Book
  • Onward and Upward!
  • Part I. The Visual Studio Environment
  • Hour 1. A C# Programming Tour
  • Hour 2. Navigating C#
  • Hour 3. Understanding Objects and Collections
  • Hour 4. Understanding Events
  • Part II. Building a User Interface
  • Hour 5. Building FormsPart I
  • Hour 6. Building FormsPart II
  • Hour 7. Working with the Traditional Controls
  • Hour 8. Advanced Controls
  • Hour 9. Adding Menus and Toolbars to Forms
  • Hour 10. Drawing and Printing
  • Part III. Making Things HappenProgramming!
  • Hour 11. Creating and Calling Methods
  • Hour 12. Using Constants, Data Types, Variables, and Arrays
  • Hour 13. Performing Arithmetic, String Manipulation, and Date/Time Adjustments
  • Hour 14. Making Decisions in C# Code
  • Hour 15. Looping for Efficiency
  • Hour 16. Debugging Your Code
    • Adding Comments to Your Code
    • Identifying the Two Basic Types of Errors
    • Using C#'s Debugging Tools
    • Writing an Error Handler Using try...catch...finally
    • Summary
    • Q&A
    • Workshop
  • Hour 17. Designing Objects Using Classes
  • Hour 18. Interacting with Users
  • Part IV. Working with Data
  • Hour 19. Performing File Operations
  • Hour 20. Controlling Other Applications Using Automation
  • Hour 21. Working with a Database
  • Part V. Deploying Solutions and Beyond
  • Hour 22. Deploying a Solution
  • Hour 23. Introduction to Web Development
  • Hour 24. The 10,000-Foot View
  • Appendix A. Answers to Quizzes/Exercises

Summary

In this hour, you learned the basics for debugging applications. You learned how adding useful and plentiful comments to your procedures makes debugging easier. However, no matter how good your comments are, you'll still have bugs.

You learned about the two basic types of errors: build errors and runtime errors (exceptions). Build errors are easier to troubleshoot because the compiler tells you exactly what line contains a build error and generally provides useful information about the error. Exceptions, on the other hand, can crash your application if not handled properly. You learned how to track down exceptions using break points, the Command window, and the Output window. Finally, you learned to how to make your applications more robust by creating structured error handlers using the try structure.

No book can teach you everything you need to know to write bug-free code. However, this hour taught you the basic skills to track down and eliminate many types of errors in your programs. As your skills as a programmer improve, so will your debugging abilities.

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