Hi all

I'm relatively new to both C++ and QT and I am trying to create an application which dynamically loads a form based on what is returned from a query to a database. Below is the code I am using to try and 'run' the form:

Qt Code: 
  1. ItemAdd item;
  2.     item.show();
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This however doesn't seem to do anything. The contents of ItemAdd.cpp are as follows:
Qt Code: 
  1. #include "itemadd.h"
  2.  
  3. ItemAdd::ItemAdd(QWidget *parent) :
  4.     QWidget(parent)
  5. {
  6.     QUiLoader builder;
  7.     QFile file("form.ui");
  8.     file.open(QFile::ReadOnly);
  9.     QWidget *myWidget = builder.load(&file, this);
  10.     file.close();
  11.  
  12.     QPushButton *tmpButton = new QPushButton;
  13.     tmpButton = qFindChild<QPushButton*>(this,"addNewItemButton");
  14.     QVBoxLayout *layout = new QVBoxLayout;
  15.     layout->addWidget(myWidget);
  16.     setLayout(layout);
  17.     //    connect(tmpButton,SIGNAL(clicked()),this,SLOT(slotAddItem()));
  18. }
  19. void ItemAdd::slotAddItem() {
  20.        // Code to be added later;
  21. }
  22.  
  23. ItemAdd::~ItemAdd() {
  24.  
  25. }
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I have based both my header and cpp file on the defaults for a QDialog form created by Qt Creator. Below is my header file:

Qt Code: 
  1. #ifndef ITEMADD_H
  2. #define ITEMADD_H
  3. #include <QtUiTools>
  4. #include <QtGui>
  5. #include <QWidget>
  6.  
  7. namespace Ui {
  8.     class ItemAdd;
  9. }
  10.  
  11. class ItemAdd : public QWidget
  12. {
  13.     Q_OBJECT
  14.  
  15. public:
  16.     explicit ItemAdd(QWidget *parent = 0);
  17.     ~ItemAdd();
  18.     void slotAddItem();
  19.     QString uifile;
  20.  
  21. private:
  22.     Ui::ItemAdd *ui;
  23. };
  24.  
  25. #endif // ITEMADD_H
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Many thanks for any help you can offer, I've looked through some documentation but can't seem to find what I need.