How do I get XmlDocument from XML?

How do I get XmlDocument from XML?

Use XmlDocument. Load() method to load XML from your file. Then use XmlDocument. InnerXml property to get XML string.

How to get value from xmlnodelist in c#?

Load(filePath); XmlNode node = xml. SelectSingleNode(“/Data[@*]/Short_Fall”); string id = node[“Short_Fall”]. InnerText; // Exception occurs here (“Object reference not set to an instance of an object.”)

How to get node value from XML file?

To retrieve the text value of an element, you must retrieve the value of the elements’ text node.

  1. The getElementsByTagName Method.
  2. The ChildNodes Property.
  3. The nodeValue Property.
  4. Get an Attribute Value – getAttribute()
  5. Get an Attribute Value – getAttributeNode()

What is XmlNode?

XmlNode is the base class in the . NET implementation of the DOM. It supports XPath selections and provides editing capabilities. The XmlDocument class extends XmlNode and represents an XML document. You can use XmlDocument to load and save XML data.

What is the difference between XmlDocument and XDocument?

XDocument is from the LINQ to XML API, and XmlDocument is the standard DOM-style API for XML.

What’s the difference between XmlDocument and XmlReader?

XmlDocument is very easy to use. Its only real drawback is that it loads the whole XML document into memory to process. Its seductively simple to use. XmlReader is a stream based reader so will keep your process memory utilization generally flatter but is more difficult to use.

What is XmlNodeList?

XmlNode. SelectNodes – Returns an XmlNodeList containing a collection of nodes matching the XPath query. GetElementsByTagName – Returns an XmlNodeList containing a list of all descendant elements that match the specified name. This method is available in both the XmlDocument and XmlElement classes.

How do I find nodes in XML?

2 Answers

  1. XmlDocument xmlDoc = new XmlDocument();
  2. xmlDoc. Load(“Program39. xml”);
  3. XmlNodeList booknames = xmlDoc. GetElementsByTagName(“book”);
  4. foreach (XmlElement item in booknames)
  5. {
  6. string name = item. GetAttribute(“name”);
  7. Console. WriteLine(name);
  8. }

How can we access the data from XML elements?

Retrieving information from XML files by using the Document Object Model, XmlReader class, XmlDocument class, and XmlNode class. Synchronizing DataSet data with XML via the XmlDataDocument class. Executing XML queries with XPath and the XPathNavigator class.

How do I use XQuery?

Your First XQuery

  1. Select File > New > XQuery File …
  2. Enter the query (as above) into the editing pane.
  3. Select File > Save As and choose a file name.
  4. Click the Preview Result button.

What is the difference between XDocument and XElement?

XDocument represents a whole XML document. It is normally composed of a number of elements. XElement represents an XML element (with attributes, children etc). It is part of a larger document.

What is XName?

XName does not contain any public constructors. Instead, this class provides an implicit conversion from String that allows you to create an XName. The most common place you use this conversion is when constructing an element or attribute: The first argument to the XElement constructor is an XName.

What is the difference between XDocument and XmlDocument?

XDocument is from the LINQ to XML API, and XmlDocument is the standard DOM-style API for XML. If you know DOM well, and don’t want to learn LINQ to XML, go with XmlDocument . If you’re new to both, check out this page that compares the two, and pick which one you like the looks of better.

What is XML file C#?

XML is short for eXtensible Markup Language. It is a very widely used format for exchanging data, mainly because it’s easy readable for both humans and machines. If you have ever written a website in HTML, XML will look very familiar to you, as it’s basically a stricter version of HTML.

What is XmlDocument in C#?

The XmlDocument represents an XML document. It can be use to load, modify, validate, an navigate XML documents. The XmlDocument class is an in-memory representation of an XML document. It implements the W3C XML Document Object Model (DOM).

How do I select a specific node in XML?

Select XML Nodes by Name [C#] To find nodes in an XML file you can use XPath expressions. Method XmlNode. SelectNodes returns a list of nodes selected by the XPath string. Method XmlNode.

How do I extract data from XML to Excel?

Import XML File into Excel using the web URL

  1. Open the Excel file where you want to import the data.
  2. Click the Data tab.
  3. In the Get & Transform group, click on the ‘Get Data’ option.
  4. Go to the ‘From Other Sources’ option.
  5. Click on ‘From Web’
  6. In the ‘From Web’ dialog box, copy and paste the URL that has the XML data.
  7. Click OK.

Is XQuery still used?

We’re currently using XQuery only because it’s required as part of a piece of specialized XML software we’ve licensed. XQuery is a fantastic tool for selecting pieces of XML from a large repository, but we still use XSL to transform our documents.

Why do we need XQuery?

The primary use of XQuery is to extract the data from XML databases. It is also capable of extracting data from relational databases that store XML data. XML follows the hierarchy structure containing nodes inside the node. These nodes are taken care of by the XML querying language.

What is LoadXml?

LoadXml(XmlElement) Populates an XMLNode control with data from an XmlElement. LoadXml(XmlDocument) Populates an XMLNode control with data from the root node of the specified XmlDocument.

How do I convert XmlDocument to XElement?

You can wrap the XmlDocument with an XmlNodeReader and feed it to XElement. Load(). The other direction is available as well using XElement. CreateReader().

How do you create an XName?

For C#, the recommended approach for creating an XName in a namespace is to declare the XNamespace object, then use the override of the addition operator. For Visual Basic, the recommended approach is to use XML literals and global namespace declarations to create XML that is in a namespace.