ASP.NET Web API Example

Person.cs

public class Person {
  public int Id { get; set; }
  public string FirstName { get; set; }
  public string LastName { get; set; }
  public virtual ICollection<Message> Messages { get; set; }
}

PersonController.cs

public class PersonController : ApiController
{

    // GET api/person
    [Queryable]
    public IQueryable<Person> Get()
    {
        var context = new MyAppContext();
        var people = from p in context.People
                     select p; 
        return people;
    }
}