Sending extra parameter while loading grid

i have to send a parameter which is helpful while loading the grid for the first time .how to pass it?
i can send the value as
at client
but how and where to get the value of product at server side

so that i can populate grid using the below code
c.render_sql("SELECT * FROM products WHERE company=‘nokia’ ",“product_id”,“name”);

thanks in advance

It seems that you are using java connector, right?

Check the second post in the next topic … 07&start=0