When looking for text data in the <parent> element you should look for child nodes that have NodeType properties equal to XmlNodeType.Text. These nodes will be of type XText. The following sample illustrates this: var p = XElement .Parse(“<parent>Hello<child>test1</child>World<child>test2</child>!</parent>”); var textNodes = from c in p.Nodes() where c.NodeType == XmlNodeType.Text select (XText)c; foreach (var t … Read more
A single one-liner could do the job, no need to iterate over all elements. Here it goes: doc.Descendants().Where(e => string.IsNullOrEmpty(e.Value)).Remove(); Tester using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; using System.Xml.Linq; namespace ConsoleApplication1 { public class TestRemove { public static void Main() { Console.WriteLine(“—-OLD TREE STARTS—“); XElement doc = XElement.Parse(@”<magento_api> <data_item> <code>400</code> <message>Attribute … Read more
Ideally the XML is escaped properly prior to your code consuming it. If this is beyond your control you could write a regex. Do not use the String.Replace method unless you’re absolutely sure the values do not contain other escaped items. For example, “wow&”.Replace(“&”, “&”) results in wow&amp; which is clearly undesirable. Regex.Replace can give … Read more
To use XPath with LINQ to XML add a using declaration for System.Xml.XPath, this will bring the extension methods of System.Xml.XPath.Extensions into scope. In your example: var value = (string)xml.XPathEvaluate(“/response/data/hash”);
Yes, you can combine XmlReader with the method XNode.ReadFrom, see the example in the documentation which uses C# to selectively process nodes found by the XmlReader as an XElement.
The extensions methods: public static class XExtensions { /// <summary> /// Get the absolute XPath to a given XElement /// (e.g. “/people/person[6]/name[1]/last[1]”). /// </summary> public static string GetAbsoluteXPath(this XElement element) { if (element == null) { throw new ArgumentNullException(“element”); } Func<XElement, string> relativeXPath = e => { int index = e.IndexPosition(); string name = e.Name.LocalName; … Read more
I wanted to see which of these suggested solutions performed best, so I ran some comparative tests. Out of interest, I also compared the LINQ methods to the plain old System.Xml method suggested by Greg. The variation was interesting and not what I expected, with the slowest methods being more than 3 times slower than … Read more