Validating an XML Document with a Lambda Expression

   
 

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = new XDocument(
        new XElement("Books",
          new XElement("Book",
            new XAttribute("type", "Author"),
            new XAttribute("language", "English"),
            new XElement("FirstName", "A"),
            new XElement("LastName", "B")),
          new XElement("Book",
            new XAttribute("type", "Author"),
            new XElement("FirstName", "C"),
            new XElement("LastName", "D"))));
        Console.WriteLine(xDocument);

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.Add(null, "bookparticipants.xsd");
        try {
            xDocument.Validate(schemaSet, (o, vea) => {
                     Console.WriteLine(o.GetType().Name);
                     Console.WriteLine(vea.Message);
                     throw (new Exception(vea.Message));
                 });
        } catch (Exception ex) {
            Console.WriteLine("Exception occurred: {0}", ex.Message);
        }
    }
}