// GET: Recommendation
        public ActionResult Index(int id)
        {
            List <RecommendationViewModel> list = new List <RecommendationViewModel>();
            var r = RS.GetAll();

            foreach (var i in r)
            {
                RecommendationViewModel recommendationModel = new RecommendationViewModel();
                if (i.IdEvent == id)
                {
                    recommendationModel.EmailParticipent = i.EmailParticipent;
                    recommendationModel.Nom    = i.Nom;
                    recommendationModel.Prenom = i.Prenom;
                    list.Add(recommendationModel);
                }
            }
            return(View(list));
        }