public HttpResponseMessage Get(string id)
 {
     Guid gId;
     if(Guid.TryParse(id, out gId))
     {
         return Request.CreateResponse(HttpStatusCode.NotFound);
     }
     else
     {
         var vm = new BlogRollVM();
         var result = vm.BlogRolls.Find(b => b.Id == gId);
         return Request.CreateResponse(HttpStatusCode.OK, result);
     }
 }
 public IEnumerable<BlogRollItem> Get()
 {
     var vm = new BlogRollVM();
     return vm.BlogRolls;
 }