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是否可以将sharepoint<In>语句与<IsNull>语句结合起来?我只是设法使用 an 来让它工作,<Or>但如果你可以直接将它<isNull>放在里面会很棒<In>。
<In>
<IsNull>
<Or>
<isNull>
谢谢
解决方法如下:
<Query> <Where> <In> <FieldRef Name='MyLookupField' LookupId='TRUE'/> <Values> <Value Type='Lookup'></Value> <Value Type='Lookup'>1</Value> </Values> </In> </Where> </Query>