C# 获取当前月份的天数的三种方法【转】

方法一： //最有含量的一种

int days = System.Threading.Thread.CurrentThread.CurrentUICulture.Calendar.GetDaysInMonth(DateTime.Now.Year ,DateTime.Now.Month);  

方法二：//最奇怪的一种

 DateTime dtNow = DateTime.Today;     int days = dtNow .AddDays(1 - dtNow .Day).AddMonths(1).AddDays(-1).Day;

方法三： //最常规的一种

DateTime dtNow = DateTime.Now;     int days = DateTime.DaysInMonth(dtNow.Year ,dtNow.Month);

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