BKI_DichVuMatDat.NghiepVu.f303_gd_cham_cong_lam_them.delete_du_lieu_cu C# (CSharp) Method

        private void delete_du_lieu_cu()
        {
            US_GD_CHAM_CONG_LAM_THEM v_us = new US_GD_CHAM_CONG_LAM_THEM();
            v_us.BeginTransaction();
            m_us = v_us;
            v_us.DeleteAllChamCongLamThemThang(Convert.ToDecimal(m_txt_thang.Text), Convert.ToDecimal(m_txt_nam.Text));
        }