Determining default namespace?

[Andy]

Hi all,

I have several Xml files, which at the root node change the default
namespace, as below:

<?xml version="1.0" encoding="UTF-8" ?>
<rootNode xmlns="http://www.some.com/namespace/A" />

where A can be several different codes.

I found in order to be able to SelectNodes, I needed to add the code:

nsMgr = new XmlNamespaceManager( doc.NameTable );

nsMgr.AddNamespace( "A", "http://www.some.com/namespace/A" );

and then SelectNodes( "A:root/A:subNodes" ) will actually return nodes.

Right now, i have code which will loop over a set of predefined
namespaces in an attempt to find the one that will allow SelectNodes to
work properly.

Obviously, that's not ideal. Is there any way for me to look at
rootNode and get the default namespace programatically?

Thanks
Andy

[Martin Honnen]

Andy wrote:

Obviously, that's not ideal. Is there any way for me to look at
rootNode and get the default namespace programatically?

If you have an XmlDocument instance then you can read out
xmlDocument.DocumentElement.GetAttribute("xmlns")
But of course further down in the document on other nodes there can be a
new definition of the default namespace.

--

Martin Honnen --- MVP XML
http://JavaScript.FAQTs.com/

[Andy]

Martin,

Sounds great, I'll give it a shot.

Fortunatly I don't have to handle just any xml documents; they are from
a customer and will always define the default namespace on the root
element.

For the task i'm doing, I'll be handling them all the same way, so the
namespace for now is more just an annoyance... but in the future i'll
probably care about which namespace i'm in.

Thanks
Andy