title: XmlNamespaceManager provided, but still get "Namespace Manager or XsltContext needed"
body: <p>i am trying to read the following and select a node in it </p>
  
  <pre><code>&lt;ns1:OrderInfo xmlns:ns1="http://xxxxxx Some URL XXXX"&gt;
     &lt;pricing someAttrHere&gt;
        &lt;childnodes&gt;
     &lt;/pricing&gt;
  &lt;/ns1:OrderInfo&gt;
  </code></pre>
  
  <p>.</p>
  
  <pre><code>XmlDocument document = new XmlDocument();
  document.Load(Server.MapPath("order.xml"));
  
  XmlNamespaceManager manager = new XmlNamespaceManager(document.NameTable);
  manager.AddNamespace("ns1", "http://xxxxxx Some URL XXXX");
  query = "/ns1:OrderInfo/pricing";
  XmlNodeList nodeList = document.SelectNodes(query);
  </code></pre>
  
  <p>but it always give "Namespace Manager or XsltContext needed"</p>
  
  <p>as you can see above i add namespace using XmlNamespaceManager and still give the error
  please any help</p>