Forum posts for nsm

Select an XML node via XPath at an arbitrary depth

Having an XML document, I want to get the first node with a certain name, no matter in which nesting depth it is contained.

I tried several things without success:

var node1 = doc.SelectSingleNode(@'//Shortcut');
var node2 = doc.SelectSingleNode(@'/*/Shortcut');
var node3 = doc.SelectSingleNode(@'//*/Shortcut');
var node4 = doc.SelectSingleNode(@'*/Shortcut');
...


Each call results in a NULL node.

I think it should be some trivial XPath syntax. Can you help me?

(In case this matters: The XML document is an input file for a WiX project, so there could be some namespace issues involved?!?).

Edit

I also tried the following:

var nsm = new XmlNamespaceManager(doc.NameTable);
nsm.AddNamespace(string.Empty, @'http://schemas.microsoft.com/wix/2006/wi');
nsm.AddNamespace(@'ns', @'http://schemas.microsoft.com/wix/2006/wi');


together with:

var node1 = doc.SelectSingleNode(@'//Shortcut', nsm);
var node2 = doc.SelectSingleNode(@'/*/Shortcut', nsm);
var node3 = doc.SelectSingleNode(@'//*/Shortcut', nsm);
var node4 = doc.SelectSingleNode(@'*/Shortcut', nsm);
...


Leading to the same results.

Edit 2 - Solution

I found the solution:

var nsm = new XmlNamespaceManager(doc.NameTable);
nsm.AddNamespace(string.Empty, @'http://schemas.microsoft.com/wix/2006/wi');
nsm.AddNamespace(@'ns', @'http://schemas.microsoft.com/wix/2006/wi');


and then

var node1 = doc.SelectSingleNode(@'//ns:Shortcut', nsm);


This succeeded.

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Select an XML node via XPath at an arbitrary depth