Hi.. how to report the single record into crystal report .. here i am enter user id in text box then display the user information in crystal report based on the user id.... please give me ans..

i am using this command in sql server it is executed.... /** update product set quantity= quantity - 10 where productname='sugar' ****/ but how to use same command in windows form app... please give me any idea about this..

how to upload a song and retrieve the song from database.. please give any idea about on this....