Did you separate the digitizer?
If so, you might have torn the cable ribbon that you see in picture unless you for got to reattach it.
You might need to go to sprint repair center or buy one off ebay
Code
http://shop.ebay.com/items/?_nkw=SPRINT+HTC+TOUCH+PRO+DIGITIZER&_sacat=0&_trksid=p3286.m270.l1313&_dmpt=PDA_Accessories&_odkw=SPRINT+HTC+TOUCH+PRO+RAPHAEL+OEM+SCREEN+DIGITIZER&_osacat=0