show User Defined Header Labels in QTableView

[nagabathula]

Hello every one i have a QTableView in which i am displaying data from the sql database.. I am stuck at a small problem i wanted to display Header names for all the channel's which i have appended in a QStringList. I tried many things but i get the database table column name's as the header's.

QSqlQueryModel *model = new QSqlQueryModel(tableView);
model->setQuery("SELECT "+ colNames +" from thdata where rowid = (select max(rowid) from thdata)");
	tableView->setModel(model);
	tableView->showMaximized();	
	tableView->setAlternatingRowColors(true);
 
     //tableView->setHorizontalHeader(thermoNames);
     //tableView->setHorizontalHeaderLabels(QString(thermoNames));	
 
	tableView->resizeRowsToContents();
    tableView->resizeColumnsToContents();
	timeinterval.clear();
	tableView->verticalHeader()->setVisible(false);
	colNames.clear();

QSqlQueryModel *model = new QSqlQueryModel(tableView);
model->setQuery("SELECT "+ colNames +" from thdata where rowid = (select max(rowid) from thdata)");
	tableView->setModel(model);
	tableView->showMaximized();	
	tableView->setAlternatingRowColors(true);
	
     //tableView->setHorizontalHeader(thermoNames);
     //tableView->setHorizontalHeaderLabels(QString(thermoNames));	

	tableView->resizeRowsToContents();
    tableView->resizeColumnsToContents();
	timeinterval.clear();
	tableView->verticalHeader()->setVisible(false);
	colNames.clear();

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this is what i am doing to display all the channels data from the database table, but the header is the column names in the Table i wanted to display the header names which i have defines and stored in a QString thermoNames; , Pls help me out.

Thank you