BookStoreContext class

BookStoreContext.cs

public class BookStoreContext : ObjectContext
{
    public BookStoreContext()
        : base("name=BookStoreDemoEntities", "BookStoreDemoEntities")
    {
    }
   
    public ObjectSet<Book> Books
    {
        get
        {
            if (books == null)
            {
                books = base.CreateObjectSet<Book>();
            }
            return books;
        }
    }
    private ObjectSet<Book> books;
}