string time = "20140923170000" ;
DateTime dateTime = DateTime.ParseExact(time, "yyyyMMddHHmmss", CultureInfo.CurrentCulture, DateTimeStyles.None); yyyyMMddHHmmss是指定的数据格式,CultureInfo.CurrentCulture是区域时间格式,DateTimeStyles是时间样式
DateTime dateTime = DateTime.ParseExact(time, "yyyyMMddHHmmss", CultureInfo.CurrentCulture) 也可以