You'll notice that the file is smaller than it was in ASP.NET 1.*, where the file held both your code and the automatic code generated by Visual Studio. The code-behind file in ASP.NET 2.0 is a ...
Think "more" rather than "different." Much of what you know about using ASP.NET development remains the same you just have a lot more to learn. But don't panic Visual Studio 2005 includes a wizard ...