private void btnTimKiemKH_Click(object sender, EventArgs e) { lvwDanhSachKH.Items.Clear(); try { List <KhachHang> lst = khachHangService.GetKhachHangByName(txtTimKiemKH.Text); foreach (KhachHang k in lst) { ListViewItem item = new ListViewItem(); item.SubItems.Add(k.MaKhachHang.ToString()); item.SubItems.Add(k.Ho); item.SubItems.Add(k.Ten); item.SubItems.Add(k.Email); item.SubItems.Add(k.DiaChi); item.SubItems.Add(k.SoDienThoai); lvwDanhSachKH.Items.Add(item); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }