How do I mess-up my business code with ASP.NET code?

Isn't there something that strikes you in the following sentences?

How Do I Emit an ASP.NET Trace Statement From My Business Class?
How Can I Access a Session State Value From My Business Class?

Back to the spaghetti days or what? Not that every application requires true businness classes, but in that case, don't talk about "Business Classes"!
Well, the article they come from is two years old, that's true, but this is the typical mistakes we don't want to see! This should get fixed, because people are still learning with these articles today. I found it because a developer forwarded me the link with exactly the two sentences above as the description for the article which he found just great...