If you want to try out Data Services with the SharePoint 2010 Beta today you have to use CTP2 of Data Services v1.5, because unfortunately the Data Service RTM version, aka the Data Services Update for .NET 3.5 SP1 is incompatible with the SharePoint 2010 Beta.
In part 1 you learned how to get SharePoint 2010 and Astoria working together, how to add a Service Reference to your Client Application and how to do a basic insert.
In this installment you will see full CRUD, so you’ll learn how to do queries,
ADO.NET Data Services 1.5 and SharePoint 2010 allow developers to write applications against SharePoint Lists using the familiar Data Services Client programming model.
The SharePoint 2010 beta will become generally available in November.
In order to use Data Services with SharePoint 2010 Beta,
This week at the SharePoint conference, Pablo Castro will be announcing that the next version of SharePoint natively integrates with data services such that all SharePoint lists will be exposed as an ADO.NET Data Service. This means you can now program against SharePoint list data using all the VS tools and runtime client libraries (.NET,