t1 = DateTime.Now.AddDays(3);
t2 = DateTime.Now.AddDays(68);
int i = (t2 - t1).Days;
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C#中计算2个时间之间的差(可以计算到时分秒);
参考代码如下:
label1.Text = "2012-1-1 15:36:05";
label2.Text = "2012-2-1 20:16:35";
DateTime d1 =new DateTime(2012,1,1,15,36,05);
DateTime d2 =new DateTime(2012,2,1,20,16,35);
TimeSpan d3 = d2.Subtract(d1);
label3.Text = "相差:"
+d3.Days.ToString()+"天"
+d3.Hours.ToString()+"小时"
+d3.Minutes.ToString()+"分钟"
+d3.Seconds.ToString()+"秒";