IE 6 & 7 are the only browsers that return the full path to the
file. All other browsers including IE8 return only the file name. With reference to this
forum thread, it is not possible to obtain the file path on the client due to
security reasons. In order to craft the serverside path for saving files
you can use the following code.
fullPath = Path.Combine(Server.MapPath(
"Your upload folder"