private void FillFields() { try { NpgsqlDataReader dataReader = PgSql.SelectFromWhere2("*", "pare", "client1_id", id1.ToString(), "client2_id", id2.ToString()); dataReader.Read(); numClientID.Text = dataReader[0].ToString(); numClient2Id.Text = dataReader[1].ToString(); dataReader.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); this.Close(); } }