public them_khachhang(DM_khachhang khachhang) { InitializeComponent(); _dm_khachhang = khachhang; }
public them_khachhang(DM_khachhang khachhang, connect _conn) { InitializeComponent(); _dm_khachhang = khachhang; conn = _conn; }
private void them_khachhang_FormClosing(object sender, FormClosingEventArgs e) { dm_kh = new DM_khachhang(); dm_kh.btn_lammoi_Click(sender, e); }