检查年份是否为leap年 [英] Check to see if year is leap year

问题描述

<script Language="c#" runat="server">
  void Page_Load()
  {
   int currentYear = DateTime.Now.Year();

   if (currentYear % 400 == 0) {
     Message2.Text = ("This is a leap year");
   }
   else {
     Message2.Text = ("This is not a leap year");
   }

 }

当前，我遇到了运行时错误。我的目标是使用DateTime.Now.Year（）测试当前年份是否为a年。我认为问题是我没有正确将year转换为int？

Currently I am getting a RunTime error. My goal is to test whether or not the current year, using DateTime.Now.Year() is a leap year or not. I think the issue is that I am not properly converting year to int? Please advise.

推荐答案

您可以使用 DateTime.IsLeapYear（）：

if (DateTime.IsLeapYear(year)) 
{
   //do stuff
}

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