Server.MapPath ()

./Current Directory
/website Home Directory
.. /Upper Directory
~/Web Site Virtual directory

If the current site directory is a E:\wwwroot application, the virtual directory for E:\wwwroot\company browses the page path to E:\wwwroot\company\news\show.asp
Use in the Show.asp page
Server.MapPath ("./") return path is: E:\wwwroot\company\news
Server.MapPath ("/") return path is: E:\wwwroot
Server.MapPath (".. /") return path is: E:\wwwroot\company
Server.MapPath ("~/") return path is: E:\wwwroot\company
Server. MapPath (Request. ServerVariables ("Path_info"))
Request.ServerVariables ("path_translated")
The above two methods return the path to D:\wwwroot\company\news\show.asp

Server.MapPath ()