winforms - Transfer file(s) to a folder on a server -

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i have been trying come strategy allow me transfer file on network (or internet in near future) client server's folder (db server, in case). have client-server application running. several clients connect server , perform tasks. server has sql server 2008 db well. not want upload file database. know using credentials and/or impersonation, 1 can transfer file using system.io library network-shared folder. now, client on company intranet. therefore, communication on local network , no internet involved. nevertheless, there prospect of involving wp7 client applet well. if case, client want use system on internet well. other communication, have expose sql server on internet getting fixed/static ip address.

the thing bothers me file transfer. users upload cvs, legal documents (all in pdf only) folder on server. retrieve view them. wondering if there possibility involve socket programming , socket-server portion in windows service running on server.

is viable approach? several users uploading , retrieving @ same time.

kindly share experience in case.


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