Hi
I have done
Thank you very much for all your help.
var startdate = this.SalesForecast.ExpectedProcessingDatePeriod.StartDate.ToString();
var date :apCommonGDT:Date;
date = Library::Date.ParseFromString(startdate);
this.ProductionEndDatePoC = date.AddDuration( Library::Duration.ParseFromString("P12M") );
Best Regards,
Srinivasa