Validate xml with xml Schema

using System;
using System.IO;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;

namespace Microsoft.Samples.Xml
{
class XmlSchemaValidatorSample
{
static string document = @"..\..\books.xml";
static string xsdDocument = @"..\..\books.xsd";

public static void Main(){
XmlSchemaInfo schemaInfo = new XmlSchemaInfo();
XmlSerializer serializer = null;
Books myBooks = null;

using (TextReader reader = new StreamReader(document))
{
serializer = new XmlSerializer(typeof(Books));
myBooks = (Books)serializer.Deserialize(reader);
}

XmlSchemaValidator xsv = CreateValidator();
xsv.Initialize();

xsv.ValidateElement("books", "http://www.example.com/my-bookshelf",
schemaInfo);

xsv.ValidateEndOfAttributes(schemaInfo);

foreach (BookType book in myBooks.book)
{
xsv.ValidateElement("book", "http://www.example.com/my-bookshelf",
schemaInfo);

if (book.publisher != null)
{
xsv.ValidateAttribute("publisher", string.Empty, book.publisher, schemaInfo);
}

if (book.onloan != null)
{
xsv.ValidateAttribute("on-loan", string.Empty, book.onloan, schemaInfo);
}

xsv.ValidateEndOfAttributes(schemaInfo);
xsv.ValidateElement("title", "http://www.example.com/my-bookshelf", schemaInfo);
xsv.ValidateEndElement(null, book.title);
xsv.ValidateElement("author", "http://www.example.com/my-bookshelf", schemaInfo);
xsv.ValidateEndElement(null, book.author);
xsv.ValidateElement("publication-date", "http://www.example.com/my-bookshelf", schemaInfo);
xsv.ValidateEndElement(null, book.publicationdate);
xsv.ValidateEndElement(schemaInfo);
}

xsv.ValidateEndElement(schemaInfo);
xsv.EndValidation();
Console.WriteLine("Schema validated.");
Console.WriteLine();
Console.WriteLine("Press Enter to Exit");
Console.ReadLine();
}

static XmlSchemaValidator CreateValidator()
{
NameTable nt = new NameTable();
XmlSchemaSet schemaSet = new XmlSchemaSet();
schemaSet.Add("http://www.example.com/my-bookshelf", xsdDocument);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
XmlSchemaValidationFlags flags = XmlSchemaValidationFlags.None;
return new XmlSchemaValidator(nt, schemaSet, nsmgr, flags);
}

}