public static List<Kiosk_Class> GetAllSupervisor()
        {
            var dal = new Kiosk_ClassDAL();
            var collection = new List<Kiosk_Class>();

            foreach (DataRow row in dal.GetAllSupervisor().Rows)
            {
                var ins = new Kiosk_Class();
                ins.Bind(row);
                collection.Add(ins);
            }

            return collection;
        }
        public static List <Kiosk_Class> GetAllSupervisor()
        {
            var dal        = new Kiosk_ClassDAL();
            var collection = new List <Kiosk_Class>();

            foreach (DataRow row in dal.GetAllSupervisor().Rows)
            {
                var ins = new Kiosk_Class();
                ins.Bind(row);
                collection.Add(ins);
            }

            return(collection);
        }