public ActionResult Create(StudyInformation studyinformation)
        {
            if (ModelState.IsValid)
            {
                db.StudyInformation.Add(studyinformation);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            //ViewBag.StudyId = new SelectList(db.Study, "Id", "Name", studyinformation.StudyId);
            return View(studyinformation);
        }
        // POST api/StudyInformation
        public HttpResponseMessage PostStudyInformation(StudyInformation studyinformation)
        {
            if (ModelState.IsValid)
            {
                db.StudyInformation.Add(studyinformation);
                db.SaveChanges();

                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, studyinformation);
                response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = studyinformation.Id }));
                return response;
            }
            else
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
        }
        // PUT api/StudyInformation/5
        public HttpResponseMessage PutStudyInformation(Int32 id, StudyInformation studyinformation)
        {
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }

            if (id != studyinformation.Id)
            {
                return Request.CreateResponse(HttpStatusCode.BadRequest);
            }

            db.Entry(studyinformation).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException ex)
            {
                return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
            }

            return Request.CreateResponse(HttpStatusCode.OK);
        }
 public ActionResult Edit(StudyInformation studyinformation)
 {
     if (ModelState.IsValid)
     {
         db.Entry(studyinformation).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.StudyId = new SelectList(db.Study, "Id", "Name", studyinformation.StudyId);
     return View(studyinformation);
 }