IIf([Forms]![Mawb Management System]![blankonly]="yes",([union new].[fill date]) Is Null,([union new].[fill date])>#1/1/2000# Or ([union new].[fill date]) Is Null)
(((IIf([forms]![date]![text0]="yes",([date].[date]) Is Null,([date].[date]) Between #1/1/2008# And #1/12/2050# Or ([date].[date]) Is Null))<>False));
给你参考,替换掉参数试试看