ASP.NET的DateTime.Now.ToString()主要用于各类日期时间显示，今天青岛行为跟大家一起分享下：ASP.NET的DateTime.Now.ToString()详细用法。
//2016年7月24日
this.TextBox1.Text = System.DateTime.Now.ToString("D");
//2016/4/24
this.TextBox2.Text = System.DateTime.Now.ToString("d");
//2016年7月24日 16:30:15
this.TextBox3.Text = System.DateTime.Now.ToString("F");
//2016年7月24日 16:30
this.TextBox4.Text = System.DateTime.Now.ToString("f");
//2016/4/24 16:30:15
this.TextBox5.Text = System.DateTime.Now.ToString("G");
//2016/4/24 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");
//2016年7月24日 8:30:15
this.TextBox9.Text = System.DateTime.Now.ToString("U");
//2016-04-24 16:30:15Z
this.TextBox10.Text = System.DateTime.Now.ToString("u");
//7月24日
this.TextBox11.Text = System.DateTime.Now.ToString("m");
this.TextBox12.Text = System.DateTime.Now.ToString("M");
//Tue, 24 Apr 2016 16:30:15 GMT
this.TextBox13.Text = System.DateTime.Now.ToString("r");
this.TextBox14.Text = System.DateTime.Now.ToString("R");
//2016年7月
this.TextBox15.Text = System.DateTime.Now.ToString("y");
this.TextBox16.Text = System.DateTime.Now.ToString("Y");
//2016-04-24T15:52:19.1562500+08:00
this.TextBox17.Text = System.DateTime.Now.ToString("o");
this.TextBox18.Text = System.DateTime.Now.ToString("O");
//2016-04-24T16:30:15
this.TextBox19.Text = System.DateTime.Now.ToString("s");
//2016-04-24 15:52:19:9889
this.TextBox20.Text = System.DateTime.Now.ToString("yyyy-MM-dd HH：mm：ss：ffff");
//2016年07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 2016
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" };
//2016/12/6 昨天
this.TextBox1.Text = System.DateTime.Now.AddDays(-1).ToShortDateString();
//2016/12/8 明天
this.TextBox2.Text = DateTime.Now.AddDays(1).ToShortDateString();
//2016/12/4 本周星期天
this.TextBox3.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString();
//2016/12/10 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)];
//2016/11/27 上周日
this.TextBox6.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString();
//2016/12/3 上周六
this.TextBox7.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) - 7).ToShortDateString();
//2016/12/11 下周日
this.TextBox8.Text = DateTime.Now.AddDays(Convert.ToDouble((0 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString();
//2016/12/17 下周六
this.TextBox9.Text = DateTime.Now.AddDays(Convert.ToDouble((6 - Convert.ToInt16(DateTime.Now.DayOfWeek))) + 7).ToShortDateString();
//2016-12-01 本月一号
this.TextBox10.Text =DateTime.Now.ToString("yyyy-MM-01");
//2016/12/31 本月最后一天
this.TextBox11.Text=DateTime.Parse(DateTime.Now.ToString("yyyy-MM-01")).AddMonths(1).AddDays(-1).ToShortDateString();
//2016/11/1 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();
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