I checked the advance option and is already in Framework 3.5. I try to remove reference and add again to see if there other reference for 3.5 but there only couple in 3.5 the rest are in 2.0.
Gregorio J. Placeres IT Analyst Uniform Accounting Network Auditor of State of Ohio 88 East Broad Street P.O. Box 1140 Columbus, Ohio 43216-1140