internal static string convert(DateTime date) { return "'" + date.Year + (date.Month < 10 ? "-0" : "-") + date.Month + (date.Day < 10 ? "-0" : "-") + date.Day + "'"; }
internal static DateTime convert(string date) { return new DateTime(int.Parse(date.Substring(0, 4)), int.Parse(date.Substring(5, 2)), int.Parse(date.Substring(8, 2))); }