他工作了几个小时？ [英] he has worked how many hours ?

问题描述

您好，



我使用c＃在asp.net上工作，我希望创建一个与出勤和加班相关的小模块。

意味着，一个人带着那个日期时间进入并且还带着该日期时间离开，



如输入日期：15/12/2014 21:00

请假日期：2014年12月16日11:00



所以，我想知道，他已经工作了多少小时？，以及日期时间。

通过手动他已经工作了大约14个小时。但我想用C＃计算。







谢谢和问候。

Hello,

I have working on asp.net with c#, In I want to create one small module which related attendance and overtime.
Means, One man enter with that datetime and also leave with that datetime,

like Enter Date: 15/12/2014 21:00
Leave Date: 16/12/2014 11:00

so, I want to know, he has worked how many hours ?, with above datetime.
By manually he has worked around 14 Hours. but i want calculate with C#.



Thanks & Regards.

推荐答案

使用 TimeSpan [ ^ ]。

类似于：

Something like:

string enter = "15/12/2014 21:00";
string leave = "16/12/2014 11:00";
DateTime dtEnter = DateTime.Parse(enter);
DateTime dtLeave = DateTime.Parse(leave);
TimeSpan tsWorkHours = dtLeave - dtEnter;
Console.WriteLine("Work hours {0}", tsWorkHours.Hours);

你必须使用DateTime.Subtract（）方法。

然后你必须获得TimeSpan的TotalHours属性。

You must use DateTime.Subtract() method.
Then you must get the TotalHours property of the TimeSpan.

DateTime enterDate = new DateTime(2014, 12, 15, 21, 0, 0);
DateTime leaveDate = new DateTime(2014, 12, 16, 11, 0, 0);

TimeSpan duration = leaveDate.Subtract(enterDate);

double workingHours = duration.TotalHours;

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