private void btnThemPhieu_Click(object sender, EventArgs e)
        {
            frm_PhieuXuatTraNCC frm = new frm_PhieuXuatTraNCC();

            if (frm.ShowDialog() == DialogResult.OK)
            {
                liDM = XuatNoiBoDataProvider.GetListXuatNoiBo();
                grcDanhSach.DataSource = liDM;
            }
        }
        private void btnMoPhieu_Click(object sender, EventArgs e)
        {
            if (grvDanhSach.FocusedRowHandle < 0)
            {
                return;
            }
            ChungTuXuatNoiBoInfor item = (ChungTuXuatNoiBoInfor)grvDanhSach.GetRow(grvDanhSach.FocusedRowHandle);
            frm_PhieuXuatTraNCC   frm  = new frm_PhieuXuatTraNCC(item.IdChungTu, item.SoChungTu, item.NgayLap.ToString(), item.SoChungTuGoc,
                                                                 item.IdChungTuGoc, item.TrangThai, item.GhiChu, item.HoTen, item.DongBo, item.IdPhongBan, item.IdChiPhi, item.IdNhaCC, item.IdLyDo, item.SoPO, item.SoRE, item.TenDoiTuong);

            if (frm.ShowDialog() == DialogResult.OK)
            {
                liDM = XuatNoiBoDataProvider.GetListXuatNoiBo();
                grcDanhSach.DataSource = liDM;
            }
        }