u can try to get upload file path use this code.
ohhh please if your application is web application then u must
postback your web page after upload a file.
if (fUpload.PostedFile != null)
{
HttpPostedFile ciFile = fUpload.PostedFile;
string sFileName = System.IO.Path.GetFileName(ciFile.FileName);
string sFile = System.IO.Path.GetFileNameWithoutExtension(sFileName);
string sExtension = System.IO.Path.GetExtension(sFileName);
}