'You could split it into two actions...
gstrSQL = "select <whatever is going to get you the username>"
conn.execute(gstrSQL)
myFECHNB=rs("Username")
' then use the returned value in another query
gstrSQL = "select FECHNB, FECVNB, FECBTX, FEAAC3, FEAAC9, FEALDT, FEKNNB, DDAIDT...