public ActionResult AddNew(string title, string description)
 {
     ArticleRepository repo = new ArticleRepository();
     ArticleModel model = new ArticleModel();
     model.CreatedBy = User.Identity.Name;
     DateTime now = DateTime.Now;
     model.CreatedDate = now;
     model.LastModifiedDate = now;
     model.Id = Guid.NewGuid();
     model.Title = title;
     model.Description = description;
     repo.AddNewArticle(model);
     return Json(true, JsonRequestBehavior.AllowGet);
 }
 public bool AddNewArticle(ArticleModel a)
 {
     save(a, a.Id.ToString());
     return true;
 }