public ActionResult Create(ConferenceArticle conferencearticle)
        {
            this.ValidateRequest = false;
            if (ModelState.IsValid)
            {
                db.ConferenceArticles.Add(conferencearticle);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.ColumnId = new SelectList(db.ConferenceColumn, "Id", "Name", conferencearticle.ColumnId);
            return View(conferencearticle);
        }
 public ActionResult Edit(ConferenceArticle conferencearticle)
 {
     this.ValidateRequest = false;
     if (ModelState.IsValid)
     {
         db.Entry(conferencearticle).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.ColumnId = new SelectList(db.ConferenceColumn, "Id", "Name", conferencearticle.ColumnId);
     return View(conferencearticle);
 }