public class AuthorController : ApiController { GolflerDataModelEntities db = new GolflerDataModelEntities(); public IEnumerable<Author> GetAuthors() { return db.Authors.ToList<Author>(); } [HttpGet] public Response Details(long id) { if (id <= 0) { return new Models.Response { Status = 0, Message = "Valid id is required", Record = null }; } var author = db.Authors.FirstOrDefault(x => x.Id == id); ...