如何使用C＃从当前日期获取当前季度 [英] How to get Current Quarter from Current Date using C#

问题描述

我想从当前日期获取当前季度和它第一次存储为int，再经过我得到的当前财季喜欢说，这是Q1然后我想存储为Q1字符串。我得到读取这样的错误：未分配的局部变量DT。 。请帮忙。谢谢

 的DateTime DT;
INT quarterNumber =（dt.Month  -  1）/ 3 + 1;
 

解决方案

好吧你不指定当前日期的任何地方 - 你没有一个值分配给 DT 变量，这是编译器的抱怨。您可以使用：

  DateTime的DT = DateTime.Today;
 

请注意，这将使用该系统的本地时区 - 和日期取决于时间区。如果你想在UTC当前时刻的日期，例如，你想要的：

  DateTime的DT = DateTime.UtcNow.Date;
 

想得很仔细考虑你所说的今天是什么。

另外，你的计算稍微简单的替代版本将会是：

 季度整型=（月+ 2）/ 3;
 

I am trying to get the current quarter from current date and store it as int first, then after i get the current quarter like say it is Q1 then i want to store Q1 as string. I am getting an error that reads like this: unassigned local variable dt. . Please help. thanks

DateTime dt;
int quarterNumber = (dt.Month - 1) / 3 + 1;

解决方案

Well you're not specifying "the current date" anywhere - you haven't assigned a value to your dt variable, which is what the compiler's complaining about. You can use:

DateTime dt = DateTime.Today;

Note that that will use the system local time zone - and the date depends on the time zone. If you want the date of the current instant in UTC, for example, you'd want:

DateTime dt = DateTime.UtcNow.Date;

Think very carefully about what you mean by "today".

Also, a slightly simpler alternative version of your calculation would be:

int quarter = (month + 2) / 3;

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