public void InsertSweepstakes(Sweepstakes sweepstakes)
 {
     stack.Push(sweepstakes);
 }
 public void InsertSweepstakes(Sweepstakes sweepstakes)
 {
     queue.Enqueue(sweepstakes);
 }
        public Sweepstakes GetSweepstakes()
        {
            Sweepstakes sweepstake = stack.Pop();

            return(sweepstake);
        }
        public Sweepstakes GetSweepstakes()
        {
            Sweepstakes sweepstake = queue.Dequeue();

            return(sweepstake);
        }