I'm not a Labview programmer--I program in C++--but here are some useful links that may help you:
This guide is from 2009, but should be valid for the basics:
http://www.ni.com/pdf/manuals/372668d.pdf
This is a series of video tutorials, but is from this year:
https://decibel.ni.com/content/docs/DOC-8923
I apologize if any of the links are outdated or not useful. I don't know too much about Labview