public IActionResult Show(string id)
        {
            if (id != null)
            {
                Sql.Execute("INSERT INTO people VALUES(@0, 'name', 'address', 'tel', 'sex', 'password')", id);
            }
            var all      = Sql.Read("SELECT * FROM travel_info");
            var ID       = Sql.Read("SELECT ID FROM travel_info");
            var date     = Sql.Read("SELECT date FROM travel_info");
            var time     = Sql.Read("SELECT time FROM travel_info");
            var site     = Sql.Read("SELECT site FROM travel_info");
            var IDlist   = new List <string>();
            var datelist = new List <string>();
            var timelist = new List <string>();
            var sitelist = new List <string>();

            foreach (DataRow travel in ID)
            {
                IDlist.Add(travel[0].ToString());
            }
            foreach (DataRow travel in date)
            {
                datelist.Add(travel[0].ToString());
            }
            foreach (DataRow travel in time)
            {
                timelist.Add(travel[0].ToString());
            }
            foreach (DataRow travel in site)
            {
                sitelist.Add(travel[0].ToString());
            }
            var model = new Travelmodel
            {
                Ids   = IDlist,
                Dates = datelist,
                Times = timelist,
                Sites = sitelist
            };
            int num = 0;

            foreach (var nums in model.Ids)
            {
                num++;
            }
            model.Id = num;
            var fine = new List <Travelmodel>();

            ViewBag.Huhaha = "旅行ID 旅行日期 旅行时间 旅行地点";
            return(View(model));
        }
        public IActionResult Index()
        {
            var people = Sql.Read("SELECT id FROM people");
            var list   = new List <string>();

            foreach (DataRow person in people)
            {
                list.Add(person[0].ToString());
            }
            var model = new Travelmodel
            {
                Ids = list,
            };

            return(View(model));
        }