https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/4597.aspxThu, 24 Mar 2005 19:31:28 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:4597mmattson0https://www.infopathdev.com:443/forums/thread/4597.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=4597I use the following XPath script and get ""my:WhenIfDate" does not point to a valid location path of a field or group."<br /><br />I am trying to calculate only found records in a query. When I don't try and filter the math goes off without a hitch.<br /><br />sum(d:Sick_Trans/@UnitsReceived[d:Sick_Trans/@TransactionDate &lt;<br />../../my:WhenIfDate])<br />