减去日期并仅返回已过去的天数。 [英] subtracting dates and returning only the number of days that have passed.

问题描述

大家好我想知道我如何减去2个日期并仅返回已经过的天数，例如3/22 / 2013-3 / 21/2013 = 1

hello guys i want to also know how i can subtract 2 date and return only the number of days that have erapsed for example 3/22/2013-3/21/2013=1

推荐答案

非常简单：

Quite simple :

DateTime start = new DateTime(1, 1, 2013);
DateTime end = DateTime.Now;
TimeSpan ts = end - start;
int totalDays = ts.TotalDays;

希望这个帮助。



抱歉，我没有注意标签。这里是VB.NET：

Hope this helps.

Sorry I didn''t make attention to the tag. Here''s in VB.NET :

Dim startDate As DateTime = New DateTime(1, 1, 2013)
Dim endDate As DateTime = DateTime.Now
Dim ts As TimeSpan = endDate - startDate
Dim totalDays As Integer = ts.TotalDays

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