private void btFiltro_Click(object sender, EventArgs e) { // Comunicação com a Camada BLL ClienteBLL obj = new ClienteBLL(); clienteDataGridView.DataSource = obj.Listagem(txtFiltro.Text); // Atualizando os objetos TextBox try { codigoTextBox.Text = clienteDataGridView[0, clienteDataGridView.CurrentRow.Index].Value.ToString(); nomeTextBox.Text = clienteDataGridView[1, clienteDataGridView.CurrentRow.Index].Value.ToString(); emailTextBox.Text = clienteDataGridView[2, clienteDataGridView.CurrentRow.Index].Value.ToString(); telefoneTextBox.Text = clienteDataGridView[3, clienteDataGridView.CurrentRow.Index].Value.ToString(); } catch { codigoTextBox.Text = ""; nomeTextBox.Text = ""; emailTextBox.Text = ""; telefoneTextBox.Text = ""; } }