取2個日期間的天數

來源:互聯網
上載者:User
 

 /// <summary>
    /// 計算兩個日期的時間間隔
    /// </summary>
    /// <param >VIP日期</param>
    /// <param >現在日期</param>
    /// <returns></returns>
    private string DateDiff(DateTime DateTime1, DateTime DateTime2)
    {
        string dateDiff = null;

        if (DateTime1 <= DateTime2)
        {
            return "0天";
        }
        else
        {
            TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
            TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            dateDiff = ts.Days.ToString() + "天";

            return dateDiff;
        }
    }

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