private void frmTimSoTietKiem_Load(object sender, EventArgs e) { m_KhachHangCtrl.HienThiComboBox(cmbHoTen); m_KhachHangCtrl.HienThiComboBox1(cmbCMND); m_KhachHangCtrl.HienThiComboBox2(cmbDiaChi); }