public ActionResult Index()
        {
            DLTModelList modelList = new DLTModelList();

            modelList.modelList.AddRange(dLTModel);

            return(View(modelList));
        }
        public ActionResult Create()
        {
            int groupNum = 5;

            int groupCount = 4;

            var list = new DLTModelList();

            for (int i = 0; i < groupCount; i++)
            {
                for (int j = 0; j < groupNum; j++)
                {
                    var item = CreateRandom(list.modelList);

                    list.modelList.Add(item);
                }
            }

            return(View(list));
        }