string A = textBox1.Text.Trim().ToString(); string B = textBox2.Text.Trim().ToString(); DateTime a = DateTime.ParseExact(A, "yyyyMMdd", null); DateTime b = DateTime.ParseExact(B, "yyyyMMdd", null); TimeSpan s = b - a; int days = s.Days; MessageBox.Show(days + "日")
DateTime dt1 = DateTime.Today.AddDays(-30);
DateTime dt2 = DateTime.Today; TimeSpan ts = dt2 - dt1;
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
string B = textBox2.Text.Trim().ToString();
DateTime a = DateTime.ParseExact(A, "yyyyMMdd", null);
DateTime b = DateTime.ParseExact(B, "yyyyMMdd", null);
TimeSpan s = b - a;
int days = s.Days;
MessageBox.Show(days + "日")
这样写可以阿,只是大小写不对,之后可以从t中获取相距的天数、小时、分等的数据