hi, i hav made a excel document using excel 2007... its used to save academic marks and it wil calculate total, percentage and aggregate... i have also used graphs to make it more colorfull...

but the problem is , i want to make it to store many data( i mean more than one student account...)
it should hav add, delete and edit button so that more than one student can enter values in the same document......

i want only those areas which i hav marked in image to be stored in database.. which one is the best.. i hav no idea in database....

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please help... i've also uploaded the original file...

http://www.sendspace.com/file/br5d1b