// PUT api/Admin/5
        public IHttpActionResult PutBlogPost(int id, BlogPost blogPost)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != blogPost.Id)
            {
                return BadRequest();
            }

            data.BlogPosts.Update(blogPost);

            try
            {
                data.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!BlogPostExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }
        public IHttpActionResult PostBlogPost(BlogPost blogpost)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            data.BlogPosts.Add(blogpost);
            data.SaveChanges();

            return CreatedAtRoute("DefaultApi", new { id = blogpost.Id }, blogpost);
        }