need an excel API

I have a excel template"template.xls"

i want to write data into it and save it with a different filename.

that means , after populating data into i want a new filetodays-date.xls

which API would be helpful ?

could you suggest an specific API which could solve my requirement ?

Unknown_Citizen

[337 byte] By [Unknown_Citizena] at [2007-11-26 20:13:24]