ToString

출처: http://msdn.microsoft.com/en-us/library/zdtaw1bw.aspx

public string ToString(
	string format
)

// This example displays the following output to the console:
//       d: 6/15/2008
//       D: Sunday, June 15, 2008
//       f: Sunday, June 15, 2008 9:15 PM
//       F: Sunday, June 15, 2008 9:15:07 PM
//       g: 6/15/2008 9:15 PM
//       G: 6/15/2008 9:15:07 PM
//       m: June 15
//       o: 2008-06-15T21:15:07.0000000
//       R: Sun, 15 Jun 2008 21:15:07 GMT
//       s: 2008-06-15T21:15:07
//       t: 9:15 PM
//       T: 9:15:07 PM
//       u: 2008-06-15 21:15:07Z
//       U: Monday, June 16, 2008 4:15:07 AM
//       y: June, 2008
//       
//       'h:mm:ss.ff t': 9:15:07.00 P
//       'd MMM yyyy': 15 Jun 2008
//       'HH:mm:ss.f': 21:15:07.0
//       'dd MMM HH:mm:ss': 15 Jun 21:15:07
//       '\Mon\t\h\: M': Month: 6

// 'HH:mm:ss.ffffzzz': 21:15:07.0000-07:00