添加7天为期6天 [英] add 7 days adds 6 days why

问题描述

int year = DateTime.Now.Year;
                  int month = DateTime.Now.Month;
                  int days = DateTime.Now.Day;

                  DateTime StartDate = new DateTime(year,month,days);
                  DateTime EndDate = StartDate.AddDays(7);

i我现在正在加入7天的日期时间。

从03-24到03-31进行重新布局但它应该是04-01？



为什么？

i am adding 7 days to datetime now.
its gets when debbuging from 03-24 until 03-31 but it should be 04-01?

why?

推荐答案

如果查看日历，下周星期二是3月31日。不是4月1日。

if you look at the calendar, next week tuesday is 31 march. not 1st of april.

你错过了什么......

首先！为什么要重新创建而不是使用它....

You missed something here...
First! Why re-create Now instead of using it....

DateTime StartDate = DateTime.Now;

秒！让我们一起计算......

Second! Let count together...

24 + 1 = 25
25 + 1 = 26
26 + 1 = 27
27 + 1 = 28
28 + 1 = 29
29 + 1 = 30
30 + 1 = 31

现在确实如此！ 7行!!!

Now that's exactly! 7 lines!!!

嗯。

Um.

M   T   W   Th  Fr  Sa  Su
23  24  25  26  27  28  29
30  31  01  02  03  04  05

24日加7天== 3月31日星期二......

24th plus 7 days == Tuesday 31st March...

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