Bind Table Values To datalist from sql server.

hi..

i have a gridview ..

in tat i want to bind two different id details at a time to gridview..

for example..

productid=100
then i was passing the productid then i got two details for tat productid.

the two details are(id=123 and id= 124)


then

using for loop i was passing the i was passing the id to another table to retrieve the information..
then it retrieves and goto datalist_itemdatabound to bind the id=123 details

then i=1 it retrieves and goto datalist_itemdatabound to bind the id=124 details

finally i want the 2 rows will displayed in datalist but i got the output as one row.(i.e id=124)

how to tackle this..

need ur suggestions with example..

regards
gopal.s