ADO.NET Entity Framework POCO Resources
Some of the available finest resources on POCO
MSDN Articles
Requirements for Creating POCO Proxies
Tracking Changes in POCO Entities
How to: Define a Custom Object Context
How to: Customize Modeling and Mapping Files to Work with Custom Objects
How to: Define a Custom Object Context
How to: Create a POCO Entity with Proxies
How to: Explicitly Load POCO Entities
How to: Detect Changes in POCO Entities
How to: Change Relationships Between POCO Entities
ADO.NET Team Blog
POCO in the Entity Framework 4 - Part 1
POCO in the Entity Framework 4 - Part 2
POCO in the Entity Framework 4 - Part 3
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