private void back_Click(object sender, RoutedEventArgs e)
        {
            Add_Options cccc = new Add_Options();

            cccc.Show();
            this.Hide();
        }
        private void button_Click(object sender, RoutedEventArgs e)
        {
            Add_Options a = new Add_Options();

            a.Show();
            this.Close();
        }
        private void button_Click(object sender, RoutedEventArgs e)
        {
            Add_Options cccc = new Add_Options();

            cccc.Show();
        }
        private void back_Click(object sender, RoutedEventArgs e)
        {
            Add_Options aa = new Add_Options();

            aa.Show();
        }