Here is the FormCalc example....how to do it...I used this code in "docReady" event of StartDate.if (StartDate.isNull) then var thisYear var nextYear thisYear = Num2Date(Date(), "YYYY") nextYear = Num2Date(Date(), "YYYY")+1 var sDate var eDate sDate = Date2Num(concat("07/01/", thisYear), "MM/DD/YYY...