Cannot see the header labels SQL

[sujan.dasmahapatra]

Dear Friends

I am trying to generate a table with the code below. But I cannot see the header labels in the view. Only a blank page is coming. Please give me some suggestion. Thanks sujan

QSqlQueryModel *model = new QSqlQueryModel; 
model->setTable("student");       
model->setEditStrategy(QSqlTableModel::OnManualSubmit);  
model->select();
model->setHeaderData(0, Qt::Horizontal, tr("studentID"));         
model->setHeaderData(1, Qt::Horizontal, tr("Name"));         
model->setHeaderData(2, Qt::Horizontal, tr("FirstName"));         
model->database().transaction();         
qDebug() << model->database().commit();         
model->submitAll();         
QTableView *view = new QTableView;         
view->setModel(model);         
view->show()

QSqlQueryModel *model = new QSqlQueryModel; 
model->setTable("student");       
model->setEditStrategy(QSqlTableModel::OnManualSubmit);  
model->select();
model->setHeaderData(0, Qt::Horizontal, tr("studentID"));         
model->setHeaderData(1, Qt::Horizontal, tr("Name"));         
model->setHeaderData(2, Qt::Horizontal, tr("FirstName"));         
model->database().transaction();         
qDebug() << model->database().commit();         
model->submitAll();         
QTableView *view = new QTableView;         
view->setModel(model);         
view->show()

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