判断语句问题,请帮忙解答
IIf(Format(IsDBNull(UserRow("FLastModDate")) = True), "", Format(UserRow("FLastModDate"), ("yyyyMMdd"))))
2009-07-16 11:13
2009-07-21 13:12
2009-07-21 21:59
2009-07-23 17:03
2009-08-05 15:03
2009-08-23 10:33