public IActionResult Add(AddUsersBillerViewModel addUsersBillerViewModel)
        {
            List <Biller> billers = context.Billers.ToList();

            if (ModelState.IsValid)
            {
                foreach (var biller in billers)
                {
                    if (biller.Name == addUsersBillerViewModel.BillerName)
                    {
                        addUsersBillerViewModel.BillerID = biller.ID;
                    }
                }

                UsersBillerInfo newUsersBillerInfo = new UsersBillerInfo
                {
                    UserId             = addUsersBillerViewModel.UserID,
                    BillerName         = addUsersBillerViewModel.BillerName,
                    BillerID           = addUsersBillerViewModel.BillerID,
                    BillerDescription  = addUsersBillerViewModel.BillerDescription,
                    UsersAccountNumber = addUsersBillerViewModel.UsersAccountNumber
                };

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

                return(Redirect("/User/Index"));
            }
            return(View(addUsersBillerViewModel));
        }
        public IActionResult RemoveUsersBiller(int[] usersBillerIds)
        {
            foreach (int usersBillerId in usersBillerIds)
            {
                UsersBillerInfo removeUsersBiller = context.UsersBillerInfo.Single(ub => ub.ID == usersBillerId);
                context.UsersBillerInfo.Remove(removeUsersBiller);
            }

            context.SaveChanges();

            return(Redirect("/User/Index"));
        }