public ActionResult Create(BlogPost blogpost)
        {
            if (ModelState.IsValid)
            {
                _repository.CreateBlogPost(blogpost);
                return RedirectToAction("Index");
            }

            return View(blogpost);
        }
 // PUT /api/values/5
 public HttpResponseMessage Put(BlogPost existingPost)
 {
     _repository.UpdateBlogPost(existingPost);
     return new HttpResponseMessage(System.Net.HttpStatusCode.Created);
 }
 // POST /api/values
 public HttpResponseMessage Post(BlogPost newPost)
 {
     _repository.CreateBlogPost(newPost);
     return new HttpResponseMessage(System.Net.HttpStatusCode.Created);
 }