public ActionResult Create(Characterization characterization)
        {
            MongoCollection<Characterization> collection = Database.GetCollection<Characterization>("Characterization");
            collection.Insert(characterization);

            return RedirectToAction("Index");
        }
        public ActionResult Edit(Characterization characterization)
        {
            MongoCollection<Characterization> collection = Database.GetCollection<Characterization>("Characterization");

            collection.Save(characterization);

            return RedirectToAction("Index");
        }