private void ClearForm()
 {
     Txt_Amt_Sold.Clear();
     Ttl_Before_Discount.Clear();
     Discount_Amount.Clear();
     Discount_Percent.Clear();
     Total_Amount.Clear();
     adTrack  = 0;
     adTrack1 = 0;
     Txt_Amt_Sold.Focus();
 }
        public MainWindow()
        {
            InitializeComponent();
            DispatcherTimer timer = new DispatcherTimer
            {
                // Specify timer interval.
                Interval = new TimeSpan(0, 0, 5)
            };

            // Specify timer event handler function.
            timer.Tick += new EventHandler(Timer_Tick);
            timer.Start();
            suggestion.Visibility = Visibility.Collapsed;
            Txt_Amt_Sold.Focus();
        }
 private void Suggestion_Checked(object sender, RoutedEventArgs e)
 {
     Txt_Amt_Sold.Text = SuggestedAmount.ToString();
     Txt_Amt_Sold.Focus();
     Total_Amount.Focus();
 }