public async static Task <bool> VaidateUser(string username, string password)
        {
            IRepository <Customer> _CustomerRepo = new Customer_Repository();
            var UserLists = await _CustomerRepo.GetAll();

            return(UserLists.Any(user =>
                                 user.UserName.Equals(username, StringComparison.OrdinalIgnoreCase) &&
                                 user.Password == password));
        }