Read and Write XML Without Loading an Entire Document into Memory

 
using System;
using System.Xml;
using System.IO;
using System.Text;

public class ReadWriteXml {
    private static void Main() {
        FileStream fs = new FileStream("products.xml", FileMode.Create);
        XmlTextWriter w = new XmlTextWriter(fs, Encoding.UTF8);

        w.WriteStartDocument();
        w.WriteStartElement("products");

        w.WriteStartElement("product");
        w.WriteAttributeString("id", "01");
        w.WriteElementString("name", "C#");
        w.WriteElementString("price", "0.99");
        w.WriteEndElement();

        w.WriteEndElement();
        w.WriteEndDocument();
        w.Flush();
        fs.Close();

        Console.WriteLine("Document created.");

        fs = new FileStream("products.xml", FileMode.Open);
        XmlTextReader r = new XmlTextReader(fs);

        while (r.Read()) {
           if (r.NodeType == XmlNodeType.Element) {
                Console.WriteLine("<" + r.Name + ">");
                if (r.HasAttributes) {
                    for (int i = 0; i < r.AttributeCount; i++) {
                        Console.WriteLine("\tATTRIBUTE: " + r.GetAttribute(i));
                    }
                }
            }else if (r.NodeType == XmlNodeType.Text) {
                Console.WriteLine("\tVALUE: " + r.Value);
            }
        }
    }
}

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Read and Write XML Without Loading an Entire Document into Memory : XML Write « XML « C# / C Sharp

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