http://www.chrisellsworth.com/blogs/devblog/archive/2006/10/26/Implementing-a-Business-Layer-Using-.NET-2.0-And-Visual-Studio-2005-_2800_Screencast_2900_.aspxThis screencast walks through the use of Visual Studio 2005 to implement a business layer. Web services are consumed from the Data Layer, business logic is implemented, and services are then exposed for consumption by the Presentation Layer.enCommunityServer 2.1 (Build: 60809.935)