They don't appear to have readilly available drivers for Labview for the models DI-100 series.
They do offer instructions (and examples?) on how to write your own.
Check out the links below:
http://www.dataq.com/support/techinfo/starterkitextra.htm
http://www.dataq.com/support/upgrades/3rdparty/index.php
You may also want to check the developer exchange in case someone contributed a LabView driver for the 100 series.
JLV