private void button1_Click(object sender, EventArgs e) { ConnectBD(); string query = "SELECT id from order_outfit WHERE order_outfit.id_vehicle = (SELECT id FROM vehicle WHERE vin='" + vin + "');"; NpgsqlCommand comand = new NpgsqlCommand(query, npgSqlConnection); NpgsqlDataReader reader = comand.ExecuteReader(); while (reader.Read()) { s = reader[0].ToString(); } var f = new listwork(s); f.Show(); }
private void button1_Click(object sender, EventArgs e) { var f = new listwork(id); f.Show(); }