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Vb net updating xml file

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Value == "Java") select item; foreach (var item in items) xml Doc. Save("d:/data.xml"); 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. Equals("Java") select ele; foreach (var e in elements To Delete) xml Doc.

SAX obviously can't process information as fast as DOM can when working with large files.

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.

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.

First we ask to user to input the roll no from for search records from the xml file.

If roll no match then it will view all the records for this student and user will update the details for given records base on roll no. Select Single Node("/Student Details/Student[@Roll No='" & txt Search Rollno.