换算设备使用年限
2016-02-22 10:16:55 访问(1512) 赞(0) 踩(0)
/// <summary>
/// 换算设备使用年限
/// </summary>
/// <param name="theValue"></param>
/// <returns></returns>
protected string DateTimeNullToUsed(DateTime? theValue)
{
if (theValue == null)
return "";
int nowYear = DateTime.Now.Year;
int nowMonth = DateTime.Now.Month;
int uYear = theValue.Value.Year;
int uMonth = theValue.Value.Month;
int subY = nowYear - uYear;
if (subY == 0)
return "";
int subM = nowMonth - uMonth;
if (subM < 0)
subY -= 1;
if (subY == 0)
return "";
return subY.ToString() + "年";
}
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