parse nodes using c#

Question

I want to read this xml file using Id on <page> tag.

<?xml version="1.0" encoding="utf-8" ?>
    <pages>
      <page id="NewsWatchVideo">
        <HeaderText>Newswatch</HeaderText>
        <BellowText>'abc'.In this video you will see how the press responded to the   .</BellowText>
        <FilePath>FLVPlayer_Progressive.swf</FilePath>
        <NextURL>/Home/OutStory</NextURL>
      </page>
      <page id="OutStory">
        <HeaderText>OUR STORY</HeaderText>
        <BellowText>Join the founders of United First Financial as they talk about how the business and concept was formed.</BellowText>
        <FilePath>FLVPlayer_Progressive.swf</FilePath>
        <NextURL>/Home/MMaoverViewVideo</NextURL>
      </page>
    </pages>

How can i get all the data by id? I want to use LINQ to XML to do this task.

I don't understand what you mean by "parse data by id"? Do you want to get a list of id's? Do you want to get all the data for one Id? Do you want to traverse id's in order? — Binary Worrier
– Binary Worrier, Commented Jan 4, 2010 at 11:18
i assumed 'get all the data for one id', but yeah, that's a very valid question — David Hedlund
– David Hedlund, Commented Jan 4, 2010 at 11:20

David Hedlund · Accepted Answer · 2010-01-04 11:49:33Z

6

Given that your XML is loaded into XmlDocument variable 'doc':

XmlNode page = doc.SelectSingleNode("//page[@id='OutStory']");

i.e. if you want to use a variable id:

XmlNode page = doc.SelectSingleNode("//page[@id='" + pageId + "']");

Both of which will allow you to do:

string headerText = page.SelectSingleNode("./HeaderText").InnerText;

EDIT

If you're working with LINQ to XML, your variable doc will be of the datatype XDocument and you'll write:

XElement page = doc.Descendants("page").Where(p => p.Attribute("id").Value == "OutStory").FirstOrDefault();
string headerText = page.Descendants("HeaderText").First().Value;

edited Jan 4, 2010 at 11:49

answered Jan 4, 2010 at 11:18

David Hedlund

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1 Comment

Pankaj Over a year ago

Dear @@David how can i do this task using LINQ to XML

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