private void btnQuayLai_Click(object sender, EventArgs e) { this.Close(); FormKiemTraKhachHang FKTKH = new FormKiemTraKhachHang(); FKTKH.Show(); }
private void btnLapHoaDon_Click(object sender, EventArgs e) { FormKiemTraKhachHang FKTKH = new FormKiemTraKhachHang(); FKTKH.Show(); this.Hide(); }