public async Task <IActionResult> Index(string CountryCode, int Year)  //Controller Action method for creating Holidaymodel list
        {
            List <HolidayModel> holidays = new List <HolidayModel>();

            if (!string.IsNullOrEmpty(CountryCode) && Year > 0)
            {
                holidays = await _holidayservice.GetPublicHolidays(CountryCode, Year);     //storing result from GetPublicHolidays to list variable
            }

            return(View(holidays)); //returning list to Index Razor view
        }