public ActionResult Create(Survey survey)
        {
            if (ModelState.IsValid)
            {
                db.Surveys.Add(survey);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(survey);
        }
        // POST api/Survey
        public HttpResponseMessage PostSurvey(Survey survey)
        {
            if (ModelState.IsValid)
            {
                db.Surveys.Add(survey);
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, survey);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = survey.Id }));
                return response;
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }
        // PUT api/Survey/5
        public HttpResponseMessage PutSurvey(int id, Survey survey)
        {
            if (ModelState.IsValid && id == survey.Id)
            {
                db.Entry(survey).State = EntityState.Modified;

                try
                {
                    db.SaveChanges();
                }
                catch (DbUpdateConcurrencyException)
                {
                    return Request.CreateResponse(HttpStatusCode.NotFound);
                }

                return Request.CreateResponse(HttpStatusCode.OK);
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }
        }
 public ActionResult Edit(Survey survey)
 {
     if (ModelState.IsValid)
     {
         db.Entry(survey).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(survey);
 }