[Mono-bugs] [Bug 641935] Select XmlNodeList from parent XmlNode returns emply list in mono but not .net

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https://bugzilla.novell.com/show_bug.cgi?id=641935

https://bugzilla.novell.com/show_bug.cgi?id=641935#c1


Atsushi Enomoto <aenomoto at novell.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Sys.XML                     |Configuration
         AssignedTo|atsushi at ximian.com          |mono-bugs at lists.ximian.com

--- Comment #1 from Atsushi Enomoto <aenomoto at novell.com> 2011-04-21 08:09:04 UTC ---
When I added a debug line like below in ConfigSectionHandler.cs:

            configSettingList = section.SelectNodes("//configSetting");
System.Console.Error.WriteLine ("!!! {0} {1} [{2}] {3}", section.NodeType,
secti
on.Name, section.NamespaceURI, configSettingList.Count);

NET printed: !!! Element DataAccessSettings [] 3
Mono printed: !!! Element DataAccessSettings
[http://schemas.microsoft.com/.NetConfiguration/v2.0] 0

this means, .NET's System.Configuration.dll treats xmlns as if it does not
exist while Mono preserves it.

This behavioral difference affects XmlNode.SelectNodes() expression
interpreter. Any XPath queries against nodes that with xml namespaces must be
prefixed. XPath expression "//configSetting" is to query "configSetting"
element with *no* namespace URI.

A desired fix is to use namespace-eliminating XmlReader in
System.Configuration.dll.

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