i want to create a button and onclick of this button it should display all the files that i have saved in a folder and if i want to open a file in it i should be able to click on it and it opens in word document or excel or whateva file it is..what is the coding for doing this?i should also be able to add files and folders from the same application.... for exaple i have the button named invoice...it should display all the invoices that i have created and i should also be able to add/delete new invoice files into it