Hi guys,
i'm trying to get a current selected row from a tableview so i can retrieve data from database edit them and update the database.i'm using QSqlTableModel and QTableView.
When i run my application and push the editButton the application always crush,what seem to be a problem ,please help me here is the slot which cause the problem.

Qt Code: 
  1. void customers::on_pushButton_2_clicked()
  2. {
  3.     const QModelIndexList list = m_ui->customerView->selectionModel()->selection().indexes();
  4.     for (int i = 1; i < list.count(); i++)
  5.     {
  6.     QModelIndex index = list.at(i);
  7.     int row = index.row();
  8.     rows.insert(index.row());
  9.     }
  10. qDebug() << row;
  11.  
  12.  
  13.  
  14.      QSqlQuery query;
  15.       query.exec(QString("SELECT * FROM customer where Id = row"));
  16.        while (query.next()) {
  17.  
  18.           db_id =         query.value(0).toInt();
  19.           db_LastName =      query.value(1).toString();
  20.           db_FirstName =     query.value(2).toString();
  21.           db_Category =        query.value(3).toString();
  22.           db_Amount =   query.value(4).toString();
  23.  
  24.  
  25.  
  26.     }
  27.  
  28.  
  29.   dialog = new newCustomer(this);
  30.   dialog->editCustomer(db_LastName);
  31.   int accepted = dialog->exec();
  32.   if(accepted ==  1 )
  33.   {
  34.  
  35.   }
  36. }
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