Solved
Windchill API to unlock cad attributes ,which are locked in creo and update its value.
I am using Windchill PDMLink Release 11.2 and Datecode with CPS 11.2.0.1
Windchill API to unlock cad attributes ,which are locked in creo and update its value.
Windchill API to unlock cad attributes ,which are locked in creo and update its value.

