public IActionResult Add(AddBillerViewModel addBillerViewModel)
        {
            if (ModelState.IsValid)
            {
                Biller newBiller = new Biller
                {
                    Name  = addBillerViewModel.Name,
                    Phone = addBillerViewModel.Phone,
                    Email = addBillerViewModel.Email,
                    Web   = addBillerViewModel.Web
                };

                //creates model in database
                context.Billers.Add(newBiller);
                //commits changes to db
                context.SaveChanges();

                return(Redirect("/Biller/Index"));
            }
            return(View(addBillerViewModel));
        }
        public IActionResult Add()
        {
            AddBillerViewModel addBillerViewModel = new AddBillerViewModel();

            return(View(addBillerViewModel));
        }