can you help me about something....

i need information about the the crystal report cald crystalreport1.rpt.....
when i brows this report in report viewer in i get result for all the records (users, ID, tel, fax... etc) in the database... but i want to get report for only 1 user and the report to show me the information for that specific user ex.:

user: $username
pass: $password
tel: $tel

can you help please.