This looks like an old edition of Beginning Visual C#:
from the .NET 1.0 releases.
The most recent edition of that book for C# 2005 would be:
Beginning Visual C# 2005
You can actually read both editions online at http://wrox.books24x7.com
A 3 month subscription to read more than 200 Wrox books online there starts at $49.99 and you can get a 7 day free trial
Wiley Technology Publishing
Wrox online library: http://wrox.books24x7.com