auto refresh page. with javascript

   public async Task<IActionResult> jindu()

        {

            var results = (from var in _context.Transactions

                           where var.AccountNumber == "1234"

                           select var.Amount);

            var personal =  results.FirstOrDefault();

            //var personal = _context.Transactions.Where(p => p.AccountNumber == "1234").Select(p => p.Amount).ToArray();

            ViewBag.snider = personal;

            return View();

        }

view--

<script language="javascript">
setTimeout(function(){
   window.location.reload(1);
}, 30000);
</script>