seldialog.h

#ifndef SELDIALOG_H
#define SELDIALOG_H

#include <QDialog>
#include <QSqlQuery>
#include<list>
#include"courseinfo.h"

namespace Ui {
class selDialog;
}

class selDialog : public QDialog
{
    Q_OBJECT

public:
    QList<courseInfo> list_course;
    bool sel_updata();
    explicit selDialog(QWidget *parent = nullptr);
    ~selDialog();

private:
    Ui::selDialog *ui;
};

#endif // SELDIALOG_H