Reagrding popup in excel 2007 using vsto 3.0

Question

hi,
i have created an excel project using vsto 3.0..here i have taken a list object and displayed database values int it...
 
what i need is i want to update the values so that it should update automatically to the database..
problem is i have 6000  records displaying..
i may update any record on excel sheet ..
when i update the record it should update database also...
 
so can any one help me solving the problems