Start with this link:
C:\Users\Public\Documents\DevForce
2010\Learning Resources\_LRUI\BusinessObjectMapping.htm
You may want to start with building an Entity Framework Model,
most likely by Using
the EDM Designer with DevForce to create your model.
DevForce delegates to the
Entity Framework the mapping between object and relational database schemas.
http://msdn.microsoft.com/en-us/library/aa697427(VS.80).aspx
However, DevForce will manage
the Entities created in your model with its own class called the EntityManager (similar
to the EntityFramework’s Context).
The key components of DevForce
include:
the EntityManager, which includes a queryable client-side cache;
the Business Object Server (BOS) for services in a middle tier;
object mapping enhancements which extend the Entity Framework designer and generate DevForce entity code;
business object enhancements such as dynamic validation/verification, localization, object lifecycle events, binding support, and other extensions that simplify your code.
a provider for the LINQ language that permits LINQ queries to be used with both the client-side cache and remote data sources
To get a feel for DevForce
create your own Model and Application by following a Hello DevForce Walkthrough…
C:\Users\Public\Documents\DevForce
2010\Learning Resources\010_IntroToDevForce\Hello DevForce.pdf
Alternatively you can watch
the videos on the following page:
http://www.ideablade.com/Videos/DevForce2010DevelopersTour/index.html
These videos deal with
creating a Silverlight Project.
I would follow these simple projects by reading Business Object Persistence concepts at C:\Users\Public\Documents\DevForce 2010\Learning Resources\040_BusObjPersistence\Business Object Persistence.pdf
and the Advanced Persistence at
C:\Users\Public\Documents\DevForce 2010\Learning Resources\040_BusObjPersistence\Business Object Persistence_Advanced.pdf