I just watched a very cool demo of Refactor! for ASP.NET by Developer Express.  This is a free code refactoring tool includes tons of refactorings that are truly timesavers... 

Here is a blog post with the details...

Powerful/Free Download: Refactor! for ASP.NET 2.2

And here are a couple of my favorites...

Move styles in CSS class...

 

 

Surround with an UpdatePanel..

 

Check out the full video here: