private void buttonWithDraw_Click(object sender, RoutedEventArgs e) { if (textBoxAmount.Text == "") { MessageBox.Show("Amount is empty!"); } else { if ((ClassSavingbook)listBoxBooks.SelectedItem == null) { MessageBox.Show("Select a Name!"); } else { double amount = double.Parse(textBoxAmount.Text); bool success = book.WithDraw(amount); if (success == true) { CurrentCapital(); } else { MessageBox.Show("You haven't enough money!"); } listBoxBooks.Items.Refresh(); } } textBoxAmount.Clear(); }
private void buttonWithDraw_Click(object sender, RoutedEventArgs e) { if (textBoxAmount.Text == "") { MessageBox.Show("Amount is empty!"); } else { double amount = double.Parse(textBoxAmount.Text); bool success = book.WithDraw(amount); if (success == true) { textBoxCurrentCapital.Text = book.Capital.ToString(); } else { MessageBox.Show("You haven't enough money!"); } } textBoxAmount.Clear(); }