private void bClear_Click(object sender, RoutedEventArgs e) { Clear(); TicketItemList.Clear(); TicketTotalPrice.Clear(); TicketTotalPrice.Add(new TicketItem { TotalPrice = 0 }); }
private void DelItem_Click(object sender, RoutedEventArgs e) { TicketItem p = TicketItems.SelectedItem as TicketItem; if (p != null) { TicketItemList.Remove(p); double ttprice = TicketTotalPrice[0].TotalPrice - p.TotalPrice; TicketTotalPrice.Clear(); TicketTotalPrice.Add(new TicketItem { TotalPrice = ttprice }); DelItem.IsEnabled = false; } }
private void AddItem_Click(object sender, RoutedEventArgs e) { if (product != null) { int n = TicketItemList.Count + 1; int qua = Convert.ToInt32(Cantidad.Text); Product item = product; double price = Convert.ToDouble(Costo.Text); double tprice = Math.Round(price * qua, 2); TicketItemList.Add(new TicketItem { Nitem = n, Quantity = qua, Item = item, UnitPrice = price, TotalPrice = tprice }); Clear(); double ttprice = TicketTotalPrice[0].TotalPrice + tprice; TicketTotalPrice.Clear(); TicketTotalPrice.Add(new TicketItem { TotalPrice = ttprice }); } }