Create a class that implements the ICollection interface.

Question

You are using VS2010 and the .NET Framework 4.0 to develop an application. This application uses ADO.NET Entity Framework (EF) to manage Plain Old CLR Objects (POCO) objects.

You create a new POCO class, and you need to make sure that it meets the following pre-requisites:
- Must be usable through an ObjectContext
- Must support proxy change tracking

What are the actions to take?

Accepted Answer

Change each mapped property to contain non-sealed, public, and virtual accessors.

Accepted Answer

Configure navigation properties to return a type that implements the ICollection interface.

Answer

Change each mapped property to contain sealed and protected accessors.

Answer

Configure navigation properties to return a type that implements the IQueryable interface.

Answer

Configure navigation properties to return a type that implements the IEntityWithRelationships interface.

Question from the Entity Framework test

Create a class that implements the ICollection interface.