Please Help with QMainWindow Errors

[NtobekoQt]

I got these errors after building the code below

..\RegistrationNumber\mainwindow.cpp: In constructor 'MainWindow::MainWindow(QWidget*)':
..\RegistrationNumber\mainwindow.cpp:15: error: 'class Ui::MainWindow' has no member named 'tableView'
..\RegistrationNumber\mainwindow.cpp:17: error: 'class Ui::MainWindow' has no member named 'tableView'
..\RegistrationNumber\mainwindow.cpp:19: error: 'class Ui::MainWindow' has no member named 'addButton'
..\RegistrationNumber\mainwindow.cpp: In member function 'void MainWindow::addNumber()':
..\RegistrationNumber\mainwindow.cpp:25: error: 'class Ui::MainWindow' has no member named 'province'
..\RegistrationNumber\mainwindow.cpp:26: error: 'class Ui::MainWindow' has no member named 'registrationNumber'
..\RegistrationNumber\mainwindow.cpp:28: error: 'class Ui::MainWindow' has no member named 'province'
..\RegistrationNumber\mainwindow.cpp:29: error: 'class Ui::MainWindow' has no member named 'registrationNumber'
..\RegistrationNumber\mainwindow.cpp:30: error: 'class Ui::MainWindow' has no member named 'province'
..\RegistrationNumber\mainwindow.cpp:33: error: 'number' was not declared in this scope

mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QRegExp>
#include <QStringList>
#include <QList>
#include <QColor>
#include <QMessageBox>
 
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    model = new RegistrationNumberModel(this);
    ui->tableView->setModel(model);
 
    ui->tableView->horizontalHeader()->setStretchLastSection(true);
 
    connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addNumber()));
 
}
 
void MainWindow::addNumber()
{
   QString province = ui->province->text();
   QString registrationNumber = ui->registrationNumber->text();
 
   ui->province->clear();
   ui->registrationNumber->clear();
   ui->province->setFocus();
 
   NumberPlate *np = new NumberPlate(province, registrationNumber);
   number->addNumberPlate(np);
}
 
MainWindow::~MainWindow()
{
    delete ui;
}

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QRegExp>
#include <QStringList>
#include <QList>
#include <QColor>
#include <QMessageBox>

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    model = new RegistrationNumberModel(this);
    ui->tableView->setModel(model);

    ui->tableView->horizontalHeader()->setStretchLastSection(true);

    connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addNumber()));

}

void MainWindow::addNumber()
{
   QString province = ui->province->text();
   QString registrationNumber = ui->registrationNumber->text();

   ui->province->clear();
   ui->registrationNumber->clear();
   ui->province->setFocus();

   NumberPlate *np = new NumberPlate(province, registrationNumber);
   number->addNumberPlate(np);
}

MainWindow::~MainWindow()
{
    delete ui;
}

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[Santosh Reddy]

Since when you are getting there errors?

Did you just created a new MainWindow?

[anda_skoa]

Ui::MainWindow is a generated class, the input for its generation is a .ui file that you edit in Qt Designer.
Make sure it contains the elements you are referencing.

Cheers,
_