// GET: Dealership/Delete/5
        public async Task <IActionResult> Delete(int id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            var dealership = dealershipMgr.DeleteOneDealer(id);

            if (dealership == null)
            {
                return(NotFound());
            }

            return(View());
        }
        public String DeleteDealership([FromRoute] int id)
        {
            dealershipMgr.DeleteOneDealer(id);

            return("Dealership has been deleted");
        }