> Using C#, ASP.NET
>
> I'm trying to implement Yahoo search API. I can sent the HTTP request and
> get back the results. The problem I have is that I don't know how to use
> XPath with the results than comes back. I coded XPath before successfully,
> but Yahoo XML is a bit more complex.
>
> Here is part of Yahoo XML result:
> <?xml version="1.0" encoding="UTF-8" ?>
> <ResultSet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="urn:yahoo:srch" xsi:schemaLocation="urn:yahoo:srch
> http://api.search.yahoo.com/WebSearchService/V1/WebSearchResponse.xsd"
> totalResultsAvailable="12841248" totalResultsReturned="10"
> firstResultPosition="1">
> <Result>
> <Title>some text</Title>
> ...
> </Result>
> </ResultSet>
>
> I load the XML string into an XmlDocument xmlDoc.
> Code like this does not work:
> XmlNodeList nodes = xmlDoc.SelectNodes("/ResultSet/Result");
>
> I tried using XmlNamespaceManager, but can't really understand how to use
> that. Of course it did not work.
>
> If I modify Yahoo XML and load it from my hard disk as follows:
> <?xml version="1.0" encoding="UTF-8" ?>
> <ResultSet totalResultsAvailable="12841248" totalResultsReturned="10"
> firstResultPosition="1">
> <Result>
> <Title>some text</Title>
> ...
> </Result>
> </ResultSet>
>
> This I can get to work. Which makes me believe the namespace or something
> like that is breaking my XPath.
>
> Any help will be much appreciated.
>
> Thanks.
>

Someone wrote:

> I'm trying to implement Yahoo search API. I can sent the HTTP request and
> get back the results. The problem I have is that I don't know how to use
> XPath with the results than comes back. I coded XPath before successfully,
> but Yahoo XML is a bit more complex.
>
> Here is part of Yahoo XML result:
> <?xml version="1.0" encoding="UTF-8" ?>
> <ResultSet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="urn:yahoo:srch" xsi:schemaLocation="urn:yahoo:srch
> http://api.search.yahoo.com/WebSearchService/V1/WebSearchResponse.xsd"
> totalResultsAvailable="12841248" totalResultsReturned="10"
> firstResultPosition="1">
> <Result>
> <Title>some text</Title>
> ...
> </Result>
> </ResultSet>
>
> I load the XML string into an XmlDocument xmlDoc.
> Code like this does not work:
> XmlNodeList nodes = xmlDoc.SelectNodes("/ResultSet/Result");
>
> I tried using XmlNamespaceManager, but can't really understand how to use
> that. Of course it did not work.