.net时间格式化

DateTime dt = DateTime.Now;

DateTime.Parse(.ToString()).ToString("yyyy-MM-dd ");//2013-01-31
Label1.Text = dt.ToString();//2013-1-31 13:21:25
Label2.Text = dt.ToFileTime().ToString();//127756416859912816
Label3.Text = dt.ToFileTimeUtc().ToString();//127756704859912816
Label4.Text = dt.ToLocalTime().ToString();//2013-1-31 21:21:25
Label5.Text = dt.ToLongDateString().ToString();//2013年1月31日
Label6.Text = dt.ToLongTimeString().ToString();//13:21:25
Label7.Text = dt.ToOADate().ToString();//38661.5565508218
Label8.Text = dt.ToShortDateString().ToString();//2013-1-31

Label9.Text = dt.ToShortTimeString().ToString();//13:21
Label10.Text = dt.ToUniversalTime().ToString();//2013-1-31 5:21:25
?2005-11-5 13:30:28.4412864
Label1.Text = dt.Year.ToString();//2013

Label2.Text = dt.Date.ToString();//2013-1-31 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();//2013-1-31 13:47:04
Label2.Text = dt.AddYears(1).ToString();//2013-1-31 13:47:04
Label3.Text = dt.AddDays(1.1).ToString();//2013-1-31 16:11:04
Label4.Text = dt.AddHours(1.1).ToString();//2013-1-31 14:53:04
Label5.Text = dt.AddMilliseconds(1.1).ToString();//2013-1-31 13:47:04
Label6.Text = dt.AddMonths(1).ToString();//2013-1-31 13:47:04
Label7.Text = dt.AddSeconds(1.1).ToString();//2013-1-31 13:47:05
Label8.Text = dt.AddMinutes(1.1).ToString();//2013-1-31 13:48:10
Label9.Text = dt.AddTicks(1000).ToString();//2013-1-31 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("2005-11-6 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();//2013-01-31T14:06:25
Label2.Text = dt.GetDateTimeFormats('t')[0].ToString();//14:06
Label3.Text = dt.GetDateTimeFormats('y')[0].ToString();//20013年1月
Label4.Text = dt.GetDateTimeFormats('D')[0].ToString();//20013年1月5日
Label5.Text = dt.GetDateTimeFormats('D')[1].ToString();//20013 1 31