ITimeU.Controllers.AthleteController.getBirthDateById C# (CSharp) Method

        private BirthDate getBirthDateById(int birthid)
        {
            int id = 1;
            int startdate = 1910;
            List<BirthDate> birthdate = new List<BirthDate>();
            while (startdate <= DateTime.Now.Year)
            {
                birthdate.Insert(0, new BirthDate() { Id = id++, BirthYear = startdate++ });
            }
            return birthdate.SingleOrDefault(bday => bday.Id == birthid);
        }