XmlNamespaceManager provided, but still get "Namespace Manager or XsltContext needed"

Question

i am trying to read the following and select a node in it

<ns1:OrderInfo xmlns:ns1="http://xxxxxx Some URL XXXX">
   <pricing someAttrHere>
      <childnodes>
   </pricing>
</ns1:OrderInfo>

.

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);

but it always give "Namespace Manager or XsltContext needed"

as you can see above i add namespace using XmlNamespaceManager and still give the error please any help

Solution

You need to use your XmlNamespaceManager as well:

XmlNodeList nodeList = document.SelectNodes(query, manager);