ASP tutorial. NET C # date common operation functions and usage
DateTime dt = DateTime.Now;
Dt.tostring ()//2005-11-5 13:21:25
Dt.tofiletime (). ToString ();//127756416859912816
DT.TOFILETIMEUTC (). ToString ();//127756704859912816
Dt.tolocaltime (). ToString ();//2005-11-5 21:21:25
Dt.tolongdatestring (). ToString ();//November 5, 2005
Dt.tolongtimestring (). ToString ();//13:21:25
Dt.tooadate (). ToString ();//38661.5565508218
Dt.toshortdatestring (). ToString ();//2005-11-5
Dt.toshorttimestring (). ToString ();//13:21
Dt.touniversaltime (). ToString ();//2005-11-5 5:21:25
Dt.year.tostring ();//2005
Dt.date.tostring ()//2005-11-5 0:00:00
Dt.dayofweek.tostring ();//saturday
Dt.dayofyear.tostring ();//309
Dt.hour.tostring ();//13
Dt.millisecond.tostring ();//441
Dt.minute.tostring ();//30
Dt.month.tostring ();//11
Dt.second.tostring ()//28
Dt.ticks.tostring ()//632667942284412864
Dt.timeofday.tostring ()//13:30:28.4412864
Dt.tostring ()//2005-11-5 13:47:04
Dt.addyears (1). ToString ();//2006-11-5 13:47:04
Dt.adddays (1.1). ToString ();//2005-11-6 16:11:04
Dt.addhours (1.1). ToString ();//2005-11-5 14:53:04
Dt.addmilliseconds (1.1). ToString ();//2005-11-5 13:47:04
Dt.addmonths (1). ToString ();//2005-12-5 13:47:04
Dt.addseconds (1.1). ToString ();//2005-11-5 13:47:05
Dt.addminutes (1.1). ToString ();//2005-11-5 13:48:10
Dt.addticks (1000). ToString ();//2005-11-5 13:47:04
Dt.add (?). ToString ()//question mark is a time period
Dt.equals ("2005-11-6 16:11:04"). ToString ();//false
Dt.equals (DT). ToString ();//true
Dt.gethashcode (). ToString ();//1474088234
Dt.gettype (). ToString ();//system.datetime
Dt.gettypecode (). ToString ();//datetime
Dt.getdatetimeformats (' s ') [0].tostring ();//2005-11-05t14:06:25
Dt.getdatetimeformats (' t ') [0].tostring ();//14:06
Dt.getdatetimeformats (' y ') [0].tostring ();//November 2005
Dt.getdatetimeformats (' d ') [0].tostring ();//November 5, 2005
Dt.getdatetimeformats (' d ') [1].tostring ();//2005 11 05
Dt.getdatetimeformats (' d ') [2].tostring ()/Saturday 2005 11 05
Dt.getdatetimeformats (' d ') [3].tostring ()/Saturday November 5, 2005
Dt.getdatetimeformats (' m ') [0].tostring ();//November 5
Dt.getdatetimeformats (' f ') [0].tostring ();//November 5, 2005 14:06
Dt.getdatetimeformats (' g ') [0].tostring ();//2005-11-5 14:06
Dt.getdatetimeformats (' R ') [0].tostring ();//sat Nov, 14:06:25 GMT
String.Format ("{0:d}", DT);//2005-11-5
String.Format ("{0:d}", dt);//November 5, 2005
String.Format ("{0:f}", dt);//November 5, 2005 14:23
String.Format ("{0:f}", dt);//November 5, 2005 14:23:23
String.Format ("{0:g}", DT);//2005-11-5 14:23
String.Format ("{0:g}", DT);//2005-11-5 14:23:23
String.Format ("{0:m}", dt);//November 5
String.Format ("{0:r}", DT);//sat, Nov, 14:23:23 GMT
String.Format ("{0:s}", DT);//2005-11-05t14:23:23
String.Format ("{0:t}", DT);//14:23
String.Format ("{0:t}", DT);//14:23:23
String.Format ("{0:u}", DT);//2005-11-05 14:23:23z
String.Format ("{0:u}", dt);//November 5, 2005 6:23:23
String.Format ("{0:y}", dt);//November 2005
String.Format ("{0}", dt);//2005-11-5 14:23:23
String.Format ("{0:yyyymmddhhmmssffff}", DT);