Zipping and UnZipping Files and folders in asp.net

U can use links for zipping and unzipping
http://www.eggheadcafe.com/tutorials/aspnet/9ce6c242-c14c-4969-9251-af95e4cf320f/zip--unzip-folders-and-f.aspx
http://riteshk.blogspot.com/2007/04/how-to-zipunzip-files-using-cnet.html