بدست آوردن سن از روی تاریخ تولد و تاریخ روز

[amir200h]

کسی به جواب نرسید توضیح بهتر بدهید

اینم جواب کامل که به درستی کار میکنه.

public string ShamsiToMiladi(string ShamsiDate)

        {

            try

            {

                PersianCalendar PDate = new PersianCalendar();

                Int32 y = 0; Int32 m = 0; Int32 d = 0;



                if (ShamsiDate.Length == 10)

                {



                    y = Int32.Parse(ShamsiDate.Substring(0, 4));

                    m = Int32.Parse(ShamsiDate.Substring(5, 2));

                    d = Int32.Parse(ShamsiDate.Substring(8, 2));

                }

                else

                {

                    return null;

                }

                return (PDate.ToDateTime(y, m, d, 1, 1, 1, 1, 1).ToShortDateString());

            }

            catch (Exception ex)

            {

                throw ex;

            }

        }

private void button4_Click(object sender, EventArgs e)

        {

            DateTime date1 = DateTime.Parse(ShamsiToMiladi("1369/04/28"));

            DateTime date2 = DateTime.Parse(ShamsiToMiladi("1392/01/14"));



            int days = date2.Day - date1.Day;

            if (days < 0)

            {

                date2 = date2.AddMonths(-1);

                days += DateTime.DaysInMonth(date2.Year, date2.Month);

            }



            int months = date2.Month - date1.Month;

            if (months < 0)

            {

                date2 = date2.AddYears(-1);

                months += 12;

            }



            int years = date2.Year - date1.Year;



            MessageBox.Show(string.Format("{0} year{1}, {2} month{3} and {4} day{5}",

            years, (years == 1) ? "" : "s",

            months, (months == 1) ? "" : "s",

            days, (days == 1) ? "" : "s"));

        }