XmlDocument.CreateCDataSection creates an XmlCDataSection containing the specified data.
Option Explicit Option Strict Imports System Imports System.IO Imports System.Xml Public Class Sample Public Shared Sub Main() Dim doc As New XmlDocument() doc.LoadXml("<book genre='Computer' ISBN='1-111111-57-5'>" & _ "<title>C#</title>" & _ "</book>") Dim CData As XmlCDataSection CData = doc.CreateCDataSection("data") Dim root As XmlElement = doc.DocumentElement root.AppendChild(CData) doc.Save(Console.Out) End Sub End Class