In order to run without your development PC attached, you need to build the app, deploy and set it to "run as startup".
http://decibel.ni.com/content/servlet/JiveServlet/previewBody/2631-102-2-4099/FRC_Programming_Guide.pdf;jsessionid=82a40f1a30d63 f03c468b58846e5bb8cdea6056bf7c4.e3mNbNaPb3iNe34Tbx aPbhuMchb0n6jAmljGr0
All teams should check out the above link. It's the complete (IMHO) LabVIEW for FRC guide and includes instructions for deploying and running.
If the above link breaks for some reason, the document can easily be accessed through FIRST's Control System portal at
http://www.usfirst.org/community/frc....aspx?id=10934 (see LabVIEW Robotics Programming Guide).
Russ