//Button to Change Table Number
        private void Change_TableNumber(object sender, RoutedEventArgs e)
        {
            string changedNumber = Switcher.GetChangeTable().ChangeTableTextBox.Text;

            if (changedNumber != null)
            {
                try
                {
                    int result = Int32.Parse(changedNumber);
                    if (result < 0 || result > 100)
                    {
                        MessageBox.Show("Invalid Input");
                    }
                    else
                    {
                        MainWindow.TableNumber = result;
                        Switcher.GetCart().DisplayTableNumber.Text = "Table: " + result.ToString();
                        Switcher.GetNewMenu().DisplayTableNumber.Text = "Table: " + result.ToString();
                        Switcher.GetCheckout().DisplayTableNumber.Text = "Table " + result.ToString();
                        Close_ChangeTable(sender, e);
                    }
                }
                catch (FormatException)
                {
                    Console.WriteLine($"Cannot Parse, not a number!");
                    MessageBox.Show("Invald input!");
                }
            }
        }
        private void Open_ChangeTable(object sender, RoutedEventArgs e)
        {
            Window window = new Window
            {
                Title   = "Change Table",
                Content = Switcher.GetChangeTable(),
                Height  = 200,
                Width   = 200
            };

            window.ShowDialog();
        }
        //Button to Open up Cart
        private void Open_Cart(object sender, RoutedEventArgs e)
        {
            string changedNumber = Switcher.GetChangeTable().ChangeTableTextBox.Text;

            Switcher.Switch(Switcher.GetCart());
        }