i need to deal with more than 10 excel sheets..
so i want to make an desktop application in Visual Studio(c#),
which performs as followings..:
1) first user can choose on which file he wants to work on.
2) then retrieving column wise data, and performing many mathematical calculation
on that data.
3) and all the result should be stored in another new excel sheet..
so can anybody tell me how can i connect all the excel sheets to my database??