DateTime.Now.ToString()用法

//2007年4月24日 this.TextBox1.Text = System.DateTime.Now.ToString("D"); //2007/4/24 this.TextBox2.Text = System.DateTime.Now.ToString("d"); //2007年4月24日 16:30:15 this.TextBox3.Text = System.DateTime.Now.ToString("F"); //2007年4月24日 16:30 this.TextBox4.Text = System.DateTime.Now.ToString("f"); //2007/4/24 16:30:15 this.TextBox5.Text = System.DateTime.Now.ToString("G"); //2007/4/24 16:30 this.TextBox6.Text = System.DateTime.Now.ToString("g"); //16:30:15 this.TextBox7.Text = System.DateTime.Now.ToString("T"); //16:30 this.TextBox8.Text = System.DateTime.Now.ToString("t"); //2007年4月24日 8:30:15 this.TextBox9.Text = System.DateTime.Now.ToString("U"); //2007-04-24 16:30:15Z this.TextBox10.Text = System.DateTime.Now.ToString("u"); //4月24日 this.TextBox11.Text = System.DateTime.Now.ToString("m"); this.TextBox12.Text = System.DateTime.Now.ToString("M"); //Tue, 24 Apr 2007 16:30:15 GMT this.TextBox13.Text = System.DateTime.Now.ToString("r"); this.TextBox14.Text = System.DateTime.Now.ToString("R"); //2007年4月 this.TextBox15.Text = System.DateTime.Now.ToString("y"); this.TextBox16.Text = System.DateTime.Now.ToString("Y"); //2007-04-24T15:52:19.1562500+08:00 this.TextBox17.Text = System.DateTime.Now.ToString("o"); this.TextBox18.Text = System.DateTime.Now.ToString("O"); //2007-04-24T16:30:15 this.TextBox19.Text = System.DateTime.Now.ToString("s"); //2007-04-24 15:52:19:9889 this.TextBox20.Text = System.DateTime.Now.ToString("yyyy-MM-dd HH：mm：ss：ffff"); //2007年04月24 15时56分48秒 this.TextBox21.Text = System.DateTime.Now.ToString("yyyy年MM月dd HH时mm分ss秒"); //星期二, 四月 24 2007 this.TextBox22.Text = System.DateTime.Now.ToString("dddd, MMMM dd yyyy"); //周三, 十二月 7 '11 this.TextBox23.Text = System.DateTime.Now.ToString("ddd, MMM d \"'\"yy"); //星期二, 四月 24 this.TextBox24.Text = System.DateTime.Now.ToString("dddd, MMMM dd"); //4/07 this.TextBox25.Text = System.DateTime.Now.ToString("M/yy"); //07-12-11 this.TextBox26.Text = System.DateTime.Now.ToString("dd-MM-yy"); string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; //2011/12/6 昨天 this.TextBox1.Text = System.DateTime.Now.AddDays(-1).ToShortDateString(); //2011/12/8 明天 this.TextBox2.Text = DateTime.Now.AddDays(1).ToShortDateString(); //2011/12/4 本周星期天 this.TextBox3.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString(); //2011/12/10 本周星期六 this.TextBox4.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString(); //星期三 今天周几 this.TextBox5.Text = Day[Convert.ToInt16(DateTime.Now.DayOfWeek)]; //2011/11/27 上周日 this.TextBox6.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString(); //2011/12/3 上周六 this.TextBox7.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString(); //2011/12/11 下周日 this.TextBox8.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString(); //2011/12/17 下周六 this.TextBox9.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString(); //2011-12-01 本月一号 this.TextBox10.Text =DateTime.Now.ToString("yyyy-MM-01"); //2011/12/31 本月最后一天 this.TextBox11.Text=DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(1).AddDays(-1).ToShortDateString(); //2011/11/1 上个月一号 this.TextBox12.Text=System.DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(-1).ToShortDateString(); //2012/1/1 下个月一号 this.TextBox13.Text=System.DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(1).ToShortDateSring();