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Thursday, February 19, 2015

Write, read XML to memory stream using XmlWriter and XmlReader C#

C# > XML > XmlWriter

XmlWriter  writes XML data to a file, stream,, text reader, or string.
It is fast, noncached and forward only.

Example
Write/read XML to memory stream.


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            MemoryStream stream = new MemoryStream();

            XmlWriter writer = XmlWriter.Create(stream);

            writer.WriteStartDocument();
            writer.WriteStartElement("Root");
            writer.WriteElementString("Child", "1");
            writer.WriteEndElement();
            writer.WriteEndDocument();

            writer.Flush();
            writer.Close();

            stream.Position = 0; // Resets the position to 0 so we can read.
            XmlReader reader = XmlReader.Create(stream);
            while (reader.Read())
            {
                //
            }
            reader.Close();

        }
    }
}