'Uprightness' in the Bible

And Solomon said, Thou hast shewed unto thy servant David my father great mercy, according as he walked before thee in truth, and in righteousness, and in uprightness of heart with thee; and thou hast kept for him this great kindness, that thou hast given him a son to sit on his throne, as it is this day.

then hear from heaven and act and judge Your servants, condemning the wicked by bringing his guilt on his own head, and justifying the righteous by rewarding him in accordance with his righteousness.

And if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, and wilt keep my statutes and my judgments: