Partial Rendering of SQL Squery output in Asp .net application

Hi,
I have a Stored procedure, it have 3 different inter linked select Query, all are returns 1-5 Lakhs of records (ie Min 5 Lakhs record in 3 different Tables). The page takes lot of time to render the out put. if i run the SP in SQL server it gives result in 3 slot in 3 table.
can any body help me, how i can use the SQL server rendered different slots in my aspx page.
 
Thanks
Rajendra M.
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