'Uprightness' in the Bible

Solomon said, "You have shown to your servant David my father great loving kindness, according as he walked before you in truth, and in righteousness, and in uprightness of heart with you. You have kept for him this great loving kindness, that you have given him a son to sit on his throne, as it is this day.

As for you, if you will walk before me, as David your father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded you, and will keep my statutes and my ordinances;