XML VB.Net

Imports System
Imports System.Xml
Imports System.Xml.XPath
Public Class MainClass
    Public Shared Sub Main()
        Dim settings As XmlReaderSettings = New XmlReaderSettings()
        settings.Schemas.Add("http://www.domain.com/books", "domainBooks.xsd")
        settings.ValidationType = ValidationType.Schema
        
        Dim reader As XmlReader = XmlReader.Create("domainBooks.xml", settings)
        Dim document As XmlDocument = New XmlDocument()
        document.Load(reader)
        
        Dim navigator As XPathNavigator = document.CreateNavigator()
        
        navigator.MoveToChild("bookstore", "http://www.domain.com/books")
        navigator.MoveToChild("book", "http://www.domain.com/books")
        navigator.MoveToChild("price", "http://www.domain.com/books")
        
        Dim price As New Decimal(19.99)
        navigator.SetTypedValue(price)
        
        navigator.MoveToParent()
        Console.WriteLine(navigator.OuterXml)
    End Sub
End Class