计算总年数 [英] To calculate total number of years

问题描述

嗨
我必须计算加入的总年数(即，我的加入日期为2009年8月1日
我必须计算到日期为止的年数，并在下拉菜单中显示如下，
2009
2010
2011
2012

Hi
I have to calculate the total number of years (i.e) my date of joining is on 08-01-2009
i have to calculate the number of years till date and display it in the dropdown as follows
2009
2010
2011
2012

推荐答案

使用和扩展方法:

Use and extension method:

    public static class ExtensionMethods
    {
        public static IEnumerable<int> GetYearsUntilNow(this DateTime startDate)
        {
            for (int year = startDate.Year; year <= DateTime.Now.Year; ++year)
            {
                yield return year;
            }
        }
    }
</int>

然后称呼它:

Then call it:

var startDate = new DateTime(2009, 1, 8);
var years = startDate.GetYearsUntilNow();

一个简单的解决方案:

int Total_year = System.DateTime.Year.Now-year_of_joining

a rough solution for your problem:

int Total_year=System.DateTime.Year.Now-year_of_joining

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