我们如何通过使用datetimepicker获得日期差异？ [英] How can we get date difference with the use of datetimepicker?

问题描述

System.DateTime f = dateTimePicker1.Value;
System.DateTime g = dateTimePicker2.Value;
System.TimeSpan diff = f.Subtract(g);
textBox1.Text = Convert.ToString(diff);

我不能得到日期差异。



当我选择12/05/2013和25/06/2013时，我得到了差异00.00.0000。





如何找到日期差异？

I can''t get the date difference.

When I select 12/05/2013 and 25/06/2013, I get the difference as 00.00.0000.


How can I find the date difference?

推荐答案

你要从f中减去g。没关系。但事先，你将dateTimePicker1.Value分配给两个变量。



你应该将另一个DateTimePicker'的值分配给变量g或f中的一个。

You''re subtracting g from f. That''s fine. But beforehand, you assign dateTimePicker1.Value to both variables.

You should assign another DateTimePicker''s Value to one of the variables g or f.

试试这个

try this

System.DateTime todt = dateTimePickerTodate.Value;
System.DateTime fromdt = dateTimePickerFromdate.Value;
System.TimeSpan diff = todt.Subtract(fromdt);//generally we substract smallar date from bigger else it will return Totaldays in negative sign
textBox1.Text = Convert.ToString(diff.TotalDays);

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