ASP.NET for Web Designers

Code Separation and Using Code-Behind

As we’ve discussed before, ASP.NET has provided a really cool way to keep code separate by changing the paradigm from an inline, interpreted language to an object/event-oriented paradigm. But ASP.NET doesn’t stop there. It provides another level of separation of code and content if you want to use it. It’s called the code-behind technique.

This subject was mentioned briefly in Chapter 1 and also appeared in a little example, but here the code-behind technique is dissected so you can fully understand what’s happening.

The following is an example of a typical ASP.NET page that doesn’t utilize any code-behind techniques. It has an ASP:Label control that you’re familiar with, a few server controls, and a button ...