private void txtTimKiem_HoTen_TextChanged(object sender, EventArgs e) { if (txtTimKiem_HoTen.Text != "") { dt = tk.Tim_NV(txtTimKiem_HoTen.Text); lsvTaiKhoan.Items.Clear(); lsvTaiKhoan.View = View.Details; for (int i = 0; i < dt.Rows.Count; i++) { ListViewItem lvi; lvi = lsvTaiKhoan.Items.Add(dt.Rows[i]["TenTK"].ToString()); lvi.SubItems.Add(dt.Rows[i][1].ToString()); lvi.SubItems.Add(dt.Rows[i][2].ToString()); lvi.SubItems.Add(dt.Rows[i][3].ToString()); } if (lsvTaiKhoan.Items.Count > 0) { lsvTaiKhoan.Items[0].Selected = true; lsvTaiKhoan.Items[0].ForeColor = Color.RoyalBlue; } } else { LayDS_TaiKhoan(); ClearForm(); if (lsvTaiKhoan.Items.Count > 0) { lsvTaiKhoan.Items[0].ForeColor = Color.Black; } } }