private void _login_Click(object sender, EventArgs e)
 {
     FormSupervisorLogin view = new FormSupervisorLogin(this.ApplicationController);
     view.ShowDialog(this);
 }
        private void _login_Click(object sender, EventArgs e)
        {
            FormSupervisorLogin view = new FormSupervisorLogin(this.ApplicationController);

            view.ShowDialog(this);
        }