private void load_data_to_grid(DateTime ip_date_tai_ngay) { US_GD_HOP_DONG v_us = new US_GD_HOP_DONG(); m_data_set = v_us.ThongKeNhanVienTaiNgay(m_date); m_grc.DataSource = m_data_set.Tables[0]; m_grv.BestFitColumns(); }