This code will create line box and a combox when clicked on a "ADD" button, but at the same time i would like to provide "CLEAR "button, which will delete all these creations...how can i able to do that?

Qt Code: 
  1. void fileopen::on_pushButton_ADD_clicked()
  2. {
  3.  
  4.     static int LayoutCount;
  5.  
  6.     QLineEdit *lineEdit = new QLineEdit;
  7.  
  8.  
  9.     QLabel *label = new QLabel;
  10.     QLabel *label2 =new QLabel;
  11.     QComboBox *comboBox =new QComboBox;
  12.     comboBox->addItem("COUNT");
  13.        label->setText("ENTER SEARCH KEY");
  14.     label2->setText("UNDER THE TAG");
  15.  
  16.     ui->gridLayout_3->alignment();
  17.     ui->gridLayout->addWidget( label,LayoutCount,0 );
  18.     ui->gridLayout->addWidget( lineEdit,LayoutCount,1 );
  19.         ui->gridLayout->addWidget( label2,LayoutCount,2 );
  20.        ui->gridLayout->addWidget(comboBox,LayoutCount,3);
  21.  
  22. lineEditList.append(lineEdit);
  23. TagList.append(comboBox);
  24.  
  25. LayoutCount=LayoutCount+1;
  26.  
  27. }
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