private void btDelete_Click(object sender, EventArgs e)
{
DeleteStaff del = new Hotel.DeleteStaff();
del.tbStaffID.Text = Common.StaticClass.choose1;
del.ShowDialog(this.Owner);
this.Hide();
}
private void btDeleteStaff_Click(object sender, EventArgs e)
{
DeleteStaff del = new Hotel.DeleteStaff();
del.ShowDialog(this);
}