Access Response Object in a class ASP.NET

HttpContext.Current.Response
HttpContext.Current.Request

HttpContext.Current uses the Ambient Context design pattern, so you should be able to access the Response object from just about anywhere in your code. It is very useful.

For those wondering, the Ambient Context pattern is very cool, and is detailed here:

http://aabs.wordpress.com/2007/12/31/the-ambient-context-design-pattern-in-net/