{
        if (time > 1)
        {
            time--;
            timertxt.Text = string.Format("00:0{0}:{1}", time / 60, time % 60);

        }
        else
        {
            Timer.Stop();
            MessageBox.Show("Auction is off !","Error !",MessageBoxButton.OK,MessageBoxImage.Error);

            AuctionIDtxt.Clear();
            Productnametxt.Clear();
            pricetxt.Clear();
            descriptiontxtblock.Clear();

            winnerislbl.IsVisible.Equals(true);
            winnerislbl.Content = "winner is:" ;
            winuserlbl.Content = UserLbl;



        }

    }