queries in asp

hello, i'm a new forum user. I want to ask something related to sql stament. like this..

strmonth=request("Bul")
strunit=request("Unit")

sql="select * from jualan where Bul='" & strmonth & "' and
Unit ='" & strUnit & "' order by InvJ "

what wrong with this statement?. I want to display a list of jualan where match the two criteria, month and unit.

can somebody help me with this.tq

What kind of errors messages do you get?

S-