private void btnSuaCongViec_Click(object sender, EventArgs e)
 {
     if (dgv_congViec.SelectedRows.Count > 0)
     {
         string    maCongViec = dgv_congViec.SelectedCells[0].Value.ToString();
         eCongViec cv         = new eCongViec();
         cv = _congViec.GetSingleItemByCondiditon(t => t.MaCongViec.Equals(maCongViec));
         frm_suaCongViec suaCongViec = new frm_suaCongViec(cv.MaCongViec, cv.DuAn, cv.TenCongViec, cv.NgayBatDau, cv.NgayKetThuc, cv.TrangThai, cv.Tiendo, cv.ViTriCongViec);
         suaCongViec.ShowDialog();
     }
 }
        private void cbo_congViec_SelectedIndexChanged(object sender, EventArgs e)
        {
            clb_nhanVien.Items.Clear();

            string[] arrCongViec = cbo_congViec.Text.Split('-');

            string    maCongViec = arrCongViec[0].Trim();
            eCongViec congViec   = _congViec.GetSingleItemByCondiditon(x => x.MaCongViec == maCongViec);

            listNhanVien = _nhanVien.GetManyItemByCondition(x => x.viTriCongViec == congViec.ViTriCongViec);

            var item = clb_nhanVien.Items;

            foreach (eNhanVien nv in listNhanVien)
            {
                item.Add(nv.manhanVien + "-" + nv.hoTen);
            }
        }