void loadTaiKhoanDadaGridView() { List <TaiKhoan> tkl = tk.layDanhSachTaiKhoanC(); List <NhanVien> nvl = nv.layDanhSachNhanVienC(); foreach (TaiKhoan i in tkl) { foreach (NhanVien n in nvl) { if (n.ID == i.maNV) { dgvAccount.Rows.Add(i.tenTK, i.matKhauTK, n.hoTen); break; } } } }