C#关于验证身份证号码的实例分析（正确性）

private static bool CheckIDCard15(string Id)

    {

      long n = 0;

      if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))

      {

        return false;

      }

      string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";

      if (address.IndexOf(Id.Remove(2)) == -1)

      {

        return false;

      }

      string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");

      DateTime time = new DateTime();

      if (DateTime.TryParse(birth, out time) == false)

      {

        return false;

      }

      return true;//正确

    }