veiculosTableAdapter.Update(textBox2.Text, mtbano.Text, int.Parse(textBox1.Text), textBox2.Text);

            veiculosTableAdapter.Fill(automovelDataSet.veiculos);
        }

        private void veiculosDataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            int linha = veiculosDataGridView.CurrentRow.Index;
            mtbmatricula.Text = veiculosDataGridView[0, linha].Value.ToString();
            mtbano.Text = veiculosDataGridView[1, linha].Value.ToString();
            textBox1.Text = veiculosDataGridView[2, linha].Value.ToString();
        }
    }