 <p>You'll need </p> <pre><code>XMLNode.InsertAfter(newChildNode,referenceChildNode) </code></pre> <p>This should kickstart you:</p> <p><a href="http://msdn.microsoft.com/en-US/library/system.xml.xmlnode.insertafter%28v=VS.80%29.aspx" rel="nofollow">http://msdn.microsoft.com/en-US/library/system.xml.xmlnode.insertafter%28v=VS.80%29.aspx</a></p>