https://www.infopathdev.com:443/forums/39.aspxNew to InfoPath? Search to see if your question has already been answered. If it has not, then ask it here or the appropriate topic forum.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/40048.aspxThu, 26 Mar 2009 19:29:10 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:40048Hilary Stoupa0https://www.infopathdev.com:443/forums/thread/40048.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=39&PostID=40048<p>Catching this up to our email thread -- the namespaces are incorrect in the xpath. If you don&#39;t have IP 2007 with its wonderful Copy XPath capability, you can save your form as source files and look at template.xml in a text editor to see what the correct namespaces are for your xpath. </p>https://www.infopathdev.com:443/forums/thread/40034.aspxThu, 26 Mar 2009 16:34:23 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:40034m1813540https://www.infopathdev.com:443/forums/thread/40034.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=39&PostID=40034<p><strong>I am getting the below&nbsp;error whan trying to access a field on my form.</strong></p> <p>&#39;XDocument.DOM.selectSingleNode(...)&#39;is null or not an object File:script&#39;js&nbsp;</p> <p><strong>My namespace is set as...</strong></p> <p>XDocument.DOM.setProperty(&quot;SelectionNamespaces&quot;, &#39;xmlns:my=&quot;http://schemas.microsoft.com/office/infopath/2003/myXSD/2009-03-24T12:18:15&quot; xmlns:dfs=&quot;http://schemas.microsoft.com/office/infopath/2003/dataFormSolution&quot;&#39;); </p> <p><strong>&nbsp;my code is...</strong></p> <p>XDocument.DOM.selectSingleNode( &quot;/dfs:myFields/my:LastName&quot; ).text = &quot; &quot;;</p> <p><strong>My Datasource looks like this...</strong></p> <p>myFields</p> <p>&nbsp;&nbsp; LastName</p> <p>&nbsp;&nbsp; FirstName</p> <p><strong>Does anyone see what I am doing wrong...I know it is a simple fix?</strong></p> <p>&nbsp;</p> <p>&nbsp;</p>