In this chapter, you examined two methods of dividing a page's application logic from its design content. First, you learned how to create custom business components using Visual Basic class files and discovered how to use components to create multitiered Web applications.
In the second half of this chapter, you learned how to take advantage of code-behind. You learned how to divide an ASP.NET page into a presentation file and a code-behind file. Finally, you examined a method of compiling a complete ASP.NET page.