Write the foll. formcalc script to get the number of days in a numeric field. You can write this script on exit event of the second date time field.// form1.sf1.DateField2::exit - (FormCalc, client) form1.sf1.NumericField2.rawValue = Date2Num(DateField1, "YYYY-MM-DD") - Date2Num(DateField2, "YYYY...