Custom Data Service Providers

Below the WCF data service is the data service, which is responsible for interacting with the source, with an internal framework that allows you to customize the data service provider. The WCF data Service uses the entity Framework by default, and a reflection Provider that supports read-only data services that require interface iupdatable if data services are required to read and write, referencing LINQ To SQL, Provider:ADO.NET Data Services iupdateable implementation for LINQ to SQL.

Custom data Service providers need to do a lot of work, specifically how to do see Meta-me's series of articles.

Part 1–intro
Part 2–iserviceprovider and DataSources
Part 3–idataservicemetadataprovider
Part 4–minimal Running Service
Part 5–query
Part 6–query Interactions
Part 7–updates

Part 8-relationships