// Add new item
 public Subject AddSubject(SubjectAdd Subject)
 {
     // Map from DTO object to domain (POCO) object
     var p = ds.Subjects.Add(Mapper.Map<ICTGWS.Models.Subject>(Subject));
     ds.SaveChanges();
     // Map to DTO object
     return Mapper.Map<Subject>(p);
 }
        public HttpResponseMessage PostSub(SubjectAdd subject)
        {
            if (ModelState.IsValid)
            {
                // Add the new item
                var c = r.AddSubject(subject);

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, subject);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = subject.SubjectId }));
                return response;
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }