Don Xml's Grok This

Entities, Datasets and Objects, Oh My: Making sense of the Microsoft Data Platform Vision. 

As Developers, we're now challenged with three different ways of dealing with data and a number of platforms for working with it. In this session, we will look at LINQ to DataSets, LINQ to SQL, and LINQ to Entities (Entity Data Framework)

This is the presentation slide deck and the source code for the 2 example projects.