---------------------------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------------------------
FORMAT en-US EXAMPLE
CHAR VALUE OF ASSOCIATED PROPERTY, IF ANY
d 1/3/2002 M/d/yyyy (ShortDatePattern)
D Thursday, January 03, 2002 dddd, MMMM dd, yyyy (LongDatePattern)
f Thursday, January 03, 2002 12:00 AM
F Thursday, January 03, 2002 12:00:00 AM dddd, MMMM dd, yyyy h:mm:ss tt (FullDateTimePattern)
g 1/3/2002 12:00 AM
G 1/3/2002 12:00:00 AM
m January 03 MMMM dd (MonthDayPattern)
M January 03 MMMM dd (MonthDayPattern)
r Thu, 03 Jan 2002 00:00:00 GMT ddd, dd MMM yyyy HH':'mm':'ss 'GMT' (RFC1123Pattern)
R Thu, 03 Jan 2002 00:00:00 GMT ddd, dd MMM yyyy HH':'mm':'ss 'GMT' (RFC1123Pattern)
s 2002-01-03T00:00:00 yyyy'-'MM'-'dd'T'HH':'mm':'ss (SortableDateTimePattern)
t 12:00 AM h:mm tt (ShortTimePattern)
T 12:00:00 AM h:mm:ss tt (LongTimePattern)
u 2002-01-03 00:00:00Z yyyy'-'MM'-'dd HH':'mm':'ss'Z' (UniversalSortableDateTimePattern)
U Thursday, January 03, 2002 8:00:00 AM
y January, 2002 MMMM, yyyy (YearMonthPattern)
Y January, 2002 MMMM, yyyy (YearMonthPattern)
{0:dddd yyyy-MM-dd hh:mm:ss } 12小时制度
--------------------------------------------------------------------------------------------------------------------------------------------------
DateTime dt = DateTime.Now;// Label1.Text = dt.ToString();//2007-11-5 13:21:25 Label2.Text = dt.ToFileTime().ToString();//127756416859912816 Label3.Text = dt.ToFileTimeUtc().ToString();//127756704859912816 Label4.Text = dt.ToLocalTime().ToString();//2007-11-5 21:21:25 Label5.Text = dt.ToLongDateString().ToString();//2007年11月5日 Label6.Text = dt.ToLongTimeString().ToString();//13:21:25 Label7.Text = dt.ToOADate().ToString();//38661.5565508218 Label8.Text = dt.ToShortDateString().ToString();//2007-11-5 Label9.Text = dt.ToShortTimeString().ToString();//13:21 Label10.Text = dt.ToUniversalTime().ToString();//2007-11-5 5:21:25
Label1.Text = dt.Year.ToString();//2007
Label2.Text = dt.Date.ToString();//2007-11-5 0:00:00
Label3.Text = dt.DayOfWeek.ToString();//Saturday
Label4.Text = dt.DayOfYear.ToString();//309
Label5.Text = dt.Hour.ToString();//13
Label6.Text = dt.Millisecond.ToString();//441
Label7.Text = dt.Minute.ToString();//30
Label8.Text = dt.Month.ToString();//11
Label9.Text = dt.Second.ToString();//28
Label10.Text = dt.Ticks.ToString();//632667942284412864
Label11.Text = dt.TimeOfDay.ToString();//13:30:28.4412864
Label1.Text = dt.ToString();//2007-11-5 13:47:04
Label2.Text = dt.AddYears(1).ToString();//2006-11-5 13:47:04
Label3.Text = dt.AddDays(1.1).ToString();//2007-11-6 16:11:04
Label4.Text = dt.AddHours(1.1).ToString();//2007-11-5 14:53:04
Label5.Text = dt.AddMilliseconds(1.1).ToString();//2007-11-5 13:47:04
Label6.Text = dt.AddMonths(1).ToString();//2007-12-5 13:47:04
Label7.Text = dt.AddSeconds(1.1).ToString();//2007-11-5 13:47:05
Label8.Text = dt.AddMinutes(1.1).ToString();//2007-11-5 13:48:10
Label9.Text = dt.AddTicks(1000).ToString();//2007-11-5 13:47:04
Label10.Text = dt.CompareTo(dt).ToString();//0
Label11.Text = dt.Add(?).ToString();//问号为一个时间段
Label1.Text = dt.Equals("2007-11-6 16:11:04").ToString();//False
Label2.Text = dt.Equals(dt).ToString();//True
Label3.Text = dt.GetHashCode().ToString();//1474088234
Label4.Text = dt.GetType().ToString();//System.DateTime
Label5.Text = dt.GetTypeCode().ToString();//DateTime
Label1.Text = dt.GetDateTimeFormats('s')[0].ToString();//2007-11-05T14:06:25
Label2.Text = dt.GetDateTimeFormats('t')[0].ToString();//14:06
Label3.Text = dt.GetDateTimeFormats('y')[0].ToString();//2007年11月
Label4.Text = dt.GetDateTimeFormats('D')[0].ToString();//2007年11月5日
Label5.Text = dt.GetDateTimeFormats('D')[1].ToString();//2007 11 05
Label6.Text = dt.GetDateTimeFormats('D')[2].ToString();//星期六 2007 11 05
Label7.Text = dt.GetDateTimeFormats('D')[3].ToString();//星期六 2007年11月5日
Label8.Text = dt.GetDateTimeFormats('M')[0].ToString();//11月5日
Label9.Text = dt.GetDateTimeFormats('f')[0].ToString();//2007年11月5日 14:06
Label10.Text = dt.GetDateTimeFormats('g')[0].ToString();//2007-11-5 14:06
Label11.Text = dt.GetDateTimeFormats('r')[0].ToString();//Sat, 05 Nov 2007 14:06:25 GMT
Label1.Text = string.Format("{0:d}",dt);//2007-11-5
Label2.Text = string.Format("{0:D}",dt);//2007年11月5日
Label3.Text = string.Format("{0:f}",dt);//2007年11月5日 14:23
Label4.Text = string.Format("{0:F}",dt);//2007年11月5日 14:23:23
Label5.Text = string.Format("{0:g}",dt);//2007-11-5 14:23
Label6.Text = string.Format("{0:G}",dt);//2007-11-5 14:23:23
Label7.Text = string.Format("{0:M}",dt);//11月5日
Label8.Text = string.Format("{0:R}",dt);//Sat, 05 Nov 2007 14:23:23 GMT
Label9.Text = string.Format("{0:s}",dt);//2007-11-05T14:23:23
Label10.Text = string.Format("{0:t}",dt);//14:23
Label11.Text = string.Format("{0:T}",dt);//14:23:23
Label12.Text = string.Format("{0:u}",dt);//2007-11-05 14:23:23Z
Label13.Text = string.Format("{0:U}",dt);//2007年11月5日 6:23:23
Label14.Text = string.Format("{0:Y}",dt);//2007年11月
Label15.Text = string.Format("{0}",dt);//2007-11-5 14:23:23
Label16.Text = string.Format("{0:yyyyMMddHHmmssffff}",dt);//
