Dynamic URL

Hi Develovers , I have a table contains two columns name Take action and another Username In "Take Action" there are URLS hidden in a name "Action", In " Username" there are some usernames For example , There are four users and Four actions contained in that Table My agenda is If the User who logged in and has there name in the table can only click on that corresponding URL and for other users that URL action suppose to get disable. please advise me I am not able get a solutions , please help on this issue. Thank you .