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    copied!<p>Try this</p> <pre><code>XDocument doc = XDocument.Load("test.xml"); XElement dealsParent = doc.Element("Deals"); dealsParent.ReplaceNodes(dealsParent.Nodes().Cast&lt;XElement&gt;().OrderByDescending(element =&gt; element.Element("Preisformular").Element("Preisbindung").Value)); </code></pre> <p>Result:</p> <pre><code>&lt;Deals&gt; &lt;Deal ID="2"&gt; &lt;Preisformular&gt; &lt;Preisbindung&gt;b&lt;/Preisbindung&gt; &lt;Factor&gt;10&lt;/Factor&gt; &lt;Date&gt;30-12-2013&lt;/Date&gt; &lt;/Preisformular&gt; &lt;/Deal&gt; &lt;Deal ID="1"&gt; &lt;Preisformular&gt; &lt;Preisbindung&gt;a&lt;/Preisbindung&gt; &lt;Factor&gt;5&lt;/Factor&gt; &lt;Date&gt;1-1-2014&lt;/Date&gt; &lt;/Preisformular&gt; &lt;/Deal&gt; &lt;/Deals&gt; </code></pre> <p><strong>EDIT</strong> (Complete LINQPad C# Program that gives the above result):</p> <pre><code>void Main() { string xml = @"&lt;Deals&gt; &lt;Deal ID=""1""&gt; &lt;Preisformular&gt; &lt;Preisbindung&gt;a&lt;/Preisbindung&gt; &lt;Factor&gt;5&lt;/Factor&gt; &lt;Date&gt;1-1-2014&lt;/Date&gt; &lt;/Preisformular&gt; &lt;/Deal&gt; &lt;Deal ID=""2""&gt; &lt;Preisformular&gt; &lt;Preisbindung&gt;b&lt;/Preisbindung&gt; &lt;Factor&gt;10&lt;/Factor&gt; &lt;Date&gt;30-12-2013&lt;/Date&gt; &lt;/Preisformular&gt; &lt;/Deal&gt; &lt;/Deals&gt;"; XDocument doc = XDocument.Parse(xml); XElement dealsParent = doc.Element("Deals"); dealsParent.ReplaceNodes(dealsParent.Nodes().Cast&lt;XElement&gt;().OrderByDescending(element =&gt; element.Element("Preisformular").Element("Preisbindung").Value)); dealsParent.Dump(); } </code></pre>
 

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