private void Button_Click(object sender, RoutedEventArgs e)
        {
            Window a = new Manager.ManagerHE(employee);

            a.Show();
            this.Close();
        }
        private void handleemployee(object sender, RoutedEventArgs e)
        {
            Window he = new Manager.ManagerHE(employee);

            he.Show();
            this.Close();
        }