Csharp/C Sharp/XML LINQ/XDocumentType

Creating a Document Type

 
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = new XDocument(new XDocumentType("Books",null,"Books.dtd", null),new XElement("Book"));
        Console.WriteLine(xDocument);
    }
}

Creating a Document Type and Adding It to a Document

 
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = new XDocument();
        XDocumentType documentType = new XDocumentType("Books", null, "Books.dtd", null);
        xDocument.Add(documentType, new XElement("Books"));
        Console.WriteLine(xDocument);
    }
}