qt - Tab Ordering not being followed in QTCreator -

i'm new having account forum, not new when comes searching it.

the question have today has qtcreator , tab ordering. have edited tab order in qt designer in order desire. however, not reflected when tabbing on form. furthermore, have programmatically used settaborder(widget, widget) function of widget in order manually set tab ordering @ end of constructor. however, when press tab different have defined. question - doing wrong? :d , can solve issue?

thanks in advance,

hunter