transfer of products from one gridview to another

Question

i want to know how to transfer products from one page to another page. when i transferred products from first gridview then items deducted from first gridview and display another gridview. how can i transfer products. i created a two tables in database. first table is products and second table is stores. both tables having same column names pid,pname,date,quantity,price,deptname. how can i write code.