I ran across this nice little video (about 2 minutes long) that demonstrates how to pass data between Master Pages and Content Pages in ASP.NET 2.0, using Shared Variables.
All demonstration and no PowerPoint! I thought it was worth the investment in time. 🙂
Here's the link: http://www.twominutetips.com/archives/2007/1-9-07.html
~ Robert Shelton