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Parsing information from an XML source (elements, nodes, attributes) using XPath

/ Published in: C#
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The code is run in [LINQPad](http://www.google.com/url?sa=t&source=web&ct=res&cd=1&ved=0CAsQFjAA&url=http%3A%2F%2Fwww.linqpad.net%2F&ei=exUgS-a-KZOotgOs39T9CQ&usg=AFQjCNFw-ZpPkP4je7u9udiur5Wg5us7tQ&sig2=gA-_2y2xnTKzK2A9CVxXfg), which is where the Dump extension method comes from. You can pretend that it just outputs ToString. The input file for this snippet looks like so:





testfpga


test





The output of the snippet is

FpgaFilePath => testfpga
FirmwareFilePath => test

So the snippet pulls out an attribute from the 'setting' element and the content (text between tags) of the 'value' sub-element.

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  1. var path = @"C:\Users\patk\Desktop\file.xml";
  2. var doc = XDocument.Load(path);
  3. //doc.DescendantNodes().Dump();
  4. //doc.XPathSelectElements("//setting").Dump();
  5. //doc.XPathSelectElements("//setting").Attributes().Dump();
  6. //doc.XPathSelectElements("//setting").Descendants().Dump();
  7. var settings = doc.XPathSelectElements("//setting");
  8. foreach	(var setting in settings){
  9. 	var name = setting.Attribute("name").Value;
  10. //	setting.DescendantNodes().Dump();
  11. 	var value = setting.XPathSelectElements("value").Single().FirstNode;
  12. 	(name + " => " + value).Dump();
  13. }

URL: http://www.aspfree.com/index2.php?option=content&task=view&id=2426&pop=1&hide_ads=1&page=0&hide_js=1

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