uplodinng and downloading of files using webservices in asp.

Follow the Article to save the files in database on server side.

http://www.c-sharpcorner.com/UploadFile/a20beb/how-to-save-pdf-word-and-excel-files-into-the-database/

Follow the Article to get the files from database on server side and download it via client side.

http://www.c-sharpcorner.com/UploadFile/a20beb/how-to-get-the-pdf-word-and-excel-files-from-the-database/

You just need to save and fetch the data from web methods of web service...nothing else.