Get client path in FileUpload ?

I need to get the network location or filepath ONLY. 
I want the user to browse for the file like and in the FileUpload control, but then I want to store that client path as you would in a textbox. NO UPLOADING. The filepath shows in the FileUpload box, but I cant seem to figure how to get that data.  I can get "filename" on the postback, but thats just the name and not the whole client path.
 
Anyone? Thanks!