得到当前时间:
DateTime sj=DateTime.Now;
TextBox7.Text=sj.ToString("yyyy-MM-dd");
时间相减:
DateTime jssj = sj.AddDays(-7);
TextBox6.Text=jssj.ToString("yyyy-MM-dd");
DateTime sj=DateTime.Now;
TextBox7.Text=sj.ToString("yyyy-MM-dd");
时间相减:
DateTime jssj = sj.AddDays(-7);
TextBox6.Text=jssj.ToString("yyyy-MM-dd");
String strTime=DateTime.Now.ToString("hhmmss",null);//时分秒//
AddDays();AddHours();……etc
DateTime begin = new DateTime();
DateTime end = new DateTime();
System.TimeSpan tSpan = new System.TimeSpan(6,0,0,0);
begin = now - tSpan;
end = now + tSpan1;其中timespan的参数是(天,小时,分,秒)
DateTime sj=DateTime.Now;
时间相减:
System.DateTime date1 = new System.DateTime(1996, 6, 3, 22, 15, 0);
System.DateTime date2 = new System.DateTime(1996, 12, 6, 13, 2, 0);
System.DateTime date3 = new System.DateTime(1996, 10, 12, 8, 42, 0);// diff1 gets 185 days, 14 hours, and 47 minutes.
System.TimeSpan diff1 = date2.Subtract(date1);// date4 gets 4/9/1996 5:55:00 PM.
System.DateTime date4 = date3.Subtract(diff1);// diff2 gets 55 days 4 hours and 20 minutes.
System.TimeSpan diff2 = date2 - date3; // date5 gets 4/9/1996 5:55:00 PM.
System.DateTime date5 = date1 - diff2;
DateTime date1,date2;
TimeSpan tspan=date1-date2;
DateTime date1,date2;
TimeSpan tspan=date1-date2;