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When maintaining the list, you need to add pairs, modify pairs, or delete pairs.

If you call this method passing a name that does not exist as a child element, this method creates a child element for you.

Nodes() method is used to get all of the children of an XElement (or XDocument).

In addition, XML files are great for off-line applications where a user needs to add, edit and delete data when they can’t connect to a database.

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But I'm getting error message: Newvalues is not a member of 'System.

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This method is designed to make it easy to maintain a list of name/value pairs as a set of children elements.

Here is the XML file created in the previous lesson. Add(new XElement("Book", new XAttribute("title", "AJAX"), new XElement("author", "Khemrin"), new XElement("year", "2000"))); xml Doc. You need to query the elements that meet your criteria. Here is an example code that removes the element that has "Java" title attribute. Load("d:/data.xml"); var elements To Delete = from ele in xml Doc. Delete Xml Data By Expression("~/App_Data/XML/persons.xml", "Persons/Person[Age='27']"); 2017-10-03 This website intents to provide free and high quality tutorials, examples, exercises and solutions, questions and answers of programming and scripting languages: C, C , C#, Java, VB. NET, HTML, CSS, JQuery, Java Script and other applications such as MS Excel, MS Access, and MS Word.

By using Linq query expression, you can easily read all elements of the xml file. = null select ele; foreach (var e in elements) The Linq expression to add a new element to the xml file is similary to reading from that file. Save("d:/data.xml"); Simetimes, you might want change or udate a element of xml file. Then assign new values to their attributes or sub-elements. However, we don't guarantee all things of the web are accurate.

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