title: Convert xmlstring into XmlNode
body: <p>i have one xml string like this </p>
  
  <pre><code>string stxml="&lt;Status&gt;Success&lt;/Status&gt;";
  </code></pre>
  
  <p>I also creaated one xml document</p>
  
  <pre><code>  XmlDocument doc = new XmlDocument();
    XmlNode docNode = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
    doc.AppendChild(docNode);
    XmlNode rootNode = doc.CreateElement("StatusList");
    doc.AppendChild(rootNode);
  </code></pre>
  
  <p>i need an output like this.</p>
  
  <pre><code>  &lt;StatusList&gt;
    &lt;Status&gt;Success&lt;/Status&gt;
    &lt;/StatusList&gt;
  </code></pre>
  
  <p>How can i achieve this.if we using innerhtml,it will insert.But i want to insert xml string as a xmlnode itself</p>