how to pass query in crystal report at runtime

[rajeshkumard]

hi friends i want to know how i can pass the query in crystal report at run time

my code is


sqlconnection con=new sqlconnection(" ");
con.open();
sqlcommand cmd=new sqlcommand("sel ect*from test",con );
sqldataadapter sda=new sqldataadapter( cmd);
dataset ds=new dataset'
sda.fill(ds);

after that what should i do