private void cmbMaSoKU_SelectedValueChanged_1(object sender, EventArgs e)
        {
            String s_MaSoKU = Convert.ToString(cmbMaSoKU.SelectedValue).Trim();

            TK1ctrl.HienThiComboboxTheoMaKheuocTL(txtSoTienLaiQH, txtSoTienLaiTH, dtpNgayTinhLai, numSoTienGoc, cmbTaiKhoanNo, cmbTaiKhoanCo, s_MaSoKU);
            //TK1ctrl.HienThiComboboxTheoMaKheuoc(txtSoTienLaiTH, txtSoTienLaiQH, s_MaSoKU);
            //double tong = TLctrl.TinhLai(s_MaSoKU);
            //MessageBox.Show(Convert.ToString(tong));
            //ThuLaiController tl = new ThuLaiController();
            //double tinhlai = tl.TinhLai(s_MaSoKU);
            //txtSoTienLaiTH.Value = Convert.ToInt64(tinhlai);
        }