Get value of particular node on more then one condition in asp

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Hi.. Friends I have the following xml file...

XML

<?xml version="1.0" standalone="yes"?>
<LiveChat>
  <Detail>
    <Id>1</Id>
    <Adver>STD</Adver>
    <BitVer>32</BitVer>
    <BtnScrn>HLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>2</Id>
    <Adver>STD</Adver>
    <BitVer>64</BitVer>
    <BtnScrn>HLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>3</Id>
    <Adver>STD</Adver>
    <BitVer>32</BitVer>
    <BtnScrn>FLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>4</Id>
    <Adver>STD</Adver>
    <BitVer>64</BitVer>
    <BtnScrn>FLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>  
</LiveChat>

I want to get the value of IsLiveChat node where Adver=STD and BitVer=64 and BtnScrn=FLC, how it is possible in asp page.

Please help me if anybody has some idea or knowledge.

Thanks & Regards
Parveen Rathi

Posted 15-May-12 19:19pm

Parveen Rathi

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Sandeep Mewara · Answer 1 · 2012-05-15T19:32:00

Solution 1

One of the ways is using XPath

Something like:

HTML

LiveChat/Detail/IsLiveChat[@Adver='STD' and @BitVer='64' and @BtnScrn='FLC']

Details here:
MSDN:XPath Examples[^]
XPath - Elements and Attributes[^]

Posted 15-May-12 19:32pm

Sandeep Mewara

Comments

VJ Reddy 16-May-12 2:52am

Good answer. 5!

Sandeep Mewara 16-May-12 4:04am

Thanks VJ.

VJ Reddy · Answer 2 · 2012-05-15T21:01:00

XPath mentioned in Solution 1 by Sandeep Mewara is a good option.

Alternatively LINQ can be used as follows

C#

string xmlText =@"<?xml version=""1.0"" standalone=""yes""?>
<LiveChat>
  <Detail>
    <Id>1</Id>
    <Adver>STD</Adver>
    <BitVer>32</BitVer>
    <BtnScrn>HLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>2</Id>
    <Adver>STD</Adver>
    <BitVer>64</BitVer>
    <BtnScrn>HLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>3</Id>
    <Adver>STD</Adver>
    <BitVer>32</BitVer>
    <BtnScrn>FLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
  <Detail>
    <Id>4</Id>
    <Adver>STD</Adver>
    <BitVer>64</BitVer>
    <BtnScrn>FLC</BtnScrn>
    <IsLiveChat>Y</IsLiveChat>
  </Detail>
</LiveChat>";
XDocument liveChat = XDocument.Parse(xmlText);
//default element created to read if the searched value is not found
XElement defaultDetail = new XElement ("Detail",
            new XElement ("IsLiveChat", "N"));
string isLiveChatVal= (liveChat.Root.Elements().FirstOrDefault (r =>
              r.Element("Adver").Value=="STD" &&
              r.Element("BitVer").Value=="64" &&
              r.Element("BtnScrn").Value=="FLC") ?? defaultDetail)
       .Element("IsLiveChat").Value;

//isLiveChatVal = Y