public JsonResult CalcEffectiveDate([FromQuery] string StartDate, [FromQuery] int NumDays)
{
DateTime dateEnd = new DateTime();
DateTime dtStartDate = new DateTime();
DateTime.TryParseExact(StartDate, "dd'/'MM'/'yyyy", CultureInfo.InvariantCulture, DateTimeStyles.None, out dtStartDate);
dateEnd = cls.ReksaCalcEffectiveDate(dtStartDate, NumDays);
return(Json(dateEnd));
}