private void btnTimKiem_Click(object sender, EventArgs e) { try { TimKiem tk = new TimKiem(); DataTable dt = tk.TKNangCao(txtTimKiem.Text, cbTimTheo.SelectedValue.ToString(), Convert.ToInt32(cbLoaiTimTheo.SelectedValue)); dgvListTaiLieu.DataSource = dt; dgvListTaiLieu.Refresh(); } catch (Exception ex) { MessageBox.Show(ex.Message); } //dataGridView1.DataSource = ds.Tables[0]; //cm = BindingContext[this.ds.Tables[0]] as CurrencyManager; //label5.Text = cm.Count.ToString(); }