private void thôngTinThẻPhòngThuêToolStripMenuItem_Click(object sender, EventArgs e)
{
FormDatphong datphong = new FormDatphong();
datphong.ShowDialog();
//TabControl1
}
private void thôngTinNhânViênToolStripMenuItem1_Click(object sender, EventArgs e)
{
FormDatphong d = new FormDatphong();
d.ShowDialog();
}
private void tạoThẻPhòngThuêToolStripMenuItem_Click(object sender, EventArgs e)
{
FormDatphong form = new FormDatphong();
form.ShowDialog();
}