DateTime.Now.Day.ToString("00");
DateTime.Now.ToString("dd");
DateTime.Now.Day.ToString("00");
if(DateTime.Now.Day < 10)
return "0" + DateTime.Now.Day.ToString();
else return DateTime.Now.Day.ToString();
DateTime.Now.Day.ToString("D2")
DateTime.Now.ToString("dd");
DateTime currentDate = DateTime.Now;
// use the current date/time to configure the output directory
String dateTime = String.Format( "{0}\{0:yyyy-MM-dd}", currentDate );