public ActionResult ViewAccountsByID(AccountModel accountModel)
        {
            if (Convert.ToString(Session["key"]) != "admin")
            {
                return(RedirectToAction("Login", "Home"));
            }

            Admin_Api adminApi = new Admin_Api();
            IEnumerable <AccountModel> model = null;

            if (accountModel.account_ID != 0)
            {
                model = adminApi.GetAccountsByID(accountModel);
            }
            return(View("~/Views/Administrator/AdminViewAccounts.cshtml", model));
        }