ya i have declared le the same way as bremer wrote but still it is giving error while making as

In member function `virtual void Form2::newSlot()':
.ui/../form2.ui.h:32: error: 'class QPtrVector<QLineEdit*>' has no member named 'append'
.ui/../form2.ui.h:33: error: request for member `setText' in `*(&le)->QPtrVector<type>:perator[] [with type = QLineEdit*](i)', which is of non-class type `QLineEdit*'

So plz tell me how to proceed