how to undelete deleted drive

I accidentally deleted my Western Digital Hard Disk Volume,i created a new one (screenshot),though the hard disk is empty,everything is missing. Unfortunately this is my storage E:\ and i had\have very important files on it. I am not good with this,i never had a similar problem,so PLEASE...

I have a D-Link 323 2 bay NAS drive - mapped to my W7 64bit PC I accidentally deleted a couple of files :( ... I ceased further activity to avoid overwrite ... are there any utilities to allow me to undelete. I tried a couple of Undelete programs I have - but they don't see networked drives.

Here is the situation. I have one internal hard drive (win 7, program files, etc.) and and external hard drive (storage) hooked up. The external hard drive I was using as storage used to be in one of my other laptops. So I was going to use the windows 7 dvd to delete all the partitions that...

Is there any really functioning and clever file undelete applications? I have tried several but results are poor even when using on extended disk immediately after deletion by mistake. (when on disk haven't been any other activities) Accordingly I'd divide application into two: 1. Easy, quick...

I have accidentally deleted 100's files from my memory stick Anyone know some freeware that can undelete files on memory sticks - thanks