Mario Vázquez wrote:

> xml=new XmlDocument()
> xml.Load("fileName.xml")
> nodes=xml.SelectNodes("count(//ROOM[@ID='219'])")
>
> Why this does not work?

>
>
> Mario Vázquez wrote:
>
>
>> xml=new XmlDocument()
>> xml.Load("fileName.xml")
>> nodes=xml.SelectNodes("count(//ROOM[@ID='219'])")
>>
>> Why this does not work?
>
>
> For SelectNodes you need to pass in an XPath expression yielding a
> node-set. If you want to count the number of nodes simply do e.g.
> xml.SelectNodes("//ROM[@ID = '219']").Count
>
> Or create an XPathNavigator and Evaluate the count expression.
> --
>
> Martin Honnen --- MVP XML
> http://JavaScript.FAQTs.com/

Mario Vázquez wrote:

> but there is any way to do this *ONLY* with a XPath
> expresion?

>>Or create an XPathNavigator and Evaluate the count expression.

>
>
> Mario Vázquez wrote:
>
>> but there is any way to do this *ONLY* with a XPath expresion?
>
> Yes, as I said:
>
>>>Or create an XPathNavigator and Evaluate the count expression.
>
> Dim navigator as XPathNavigator = xml.CreateNavigator()
> navigator.Evaluate("count(//ROOM[@ID='219'])")
>
> --
>
> Martin Honnen --- MVP XML
> http://JavaScript.FAQTs.com/

Mario Vázquez wrote:
> Hi,
>
> I'm tryin in vane to get the number of elements of some type from a XML
> document using the count() function.
> I'm not in a XSLT document. I'm just trying to get this from a .NET
> XmlDocument object.
> How can I obtain the number of ROOMs of an offer?
> ...
> <ROOT>
> <OFFER ID="219" DURATION="8" IMAGE="CZG2.jpg">
> <ROOM PRICE="468.00" PARTICIPANTS="3" />
> <ROOM PRICE="479.00" PARTICIPANTS="5" />
> <ROOM PRICE="505.00" PARTICIPANTS="7" />
> </OFFER>
> <OFFER ID="187" DURATION="8" IMAGE="CUIXG6.jpg">
> <ROOM PRICE="85.00" PARTICIPANTS="1" />
>
> </OFFER>
> </ROOT>
>
> I've loaded the document in a XmlDocument
>
> Dim xml As XmlDocument()
> Dim nodes As XmlNodeList
>
> xml=new XmlDocument()
> xml.Load("fileName.xml")
> nodes=xml.SelectNodes("count(//ROOM[@ID='219'])")
>
> Why this does not work?

"Mario Vázquez" <alguien@microsoft.com> wrote in message
news:u5erl$hhGHA.3588@TK2MSFTNGP02.phx.gbl...
> Hi,
>
> I'm tryin in vane to get the number of elements of some type from a XML
> document using the count() function.
> I'm not in a XSLT document. I'm just trying to get this from a .NET
> XmlDocument object.
> How can I obtain the number of ROOMs of an offer?
> ...
> <ROOT>
> <OFFER ID="219" DURATION="8" IMAGE="CZG2.jpg">
> <ROOM PRICE="468.00" PARTICIPANTS="3" />
> <ROOM PRICE="479.00" PARTICIPANTS="5" />
> <ROOM PRICE="505.00" PARTICIPANTS="7" />
> </OFFER>
> <OFFER ID="187" DURATION="8" IMAGE="CUIXG6.jpg">
> <ROOM PRICE="85.00" PARTICIPANTS="1" />
>
> </OFFER>
> </ROOT>
>
> I've loaded the document in a XmlDocument
>
> Dim xml As XmlDocument()
> Dim nodes As XmlNodeList
>
> xml=new XmlDocument()
> xml.Load("fileName.xml")
> nodes=xml.SelectNodes("count(//ROOM[@ID='219'])")
>
> Why this does not work?
>