private void Form1_Load(object sender, EventArgs e)
{
    // load data to the data table
  this.vProductAndDescriptionTableAdapter.Fill
(this.AdventureWorks.vProductAndDescription);
// create a Matrix barcode object
Matrix barcode = new Matrix();
    // set barcode type to Data Matrix
    barcode.Type = BarcodeType.DataMatrix;
    // draw barcodes for each data row
    foreach (AdventureWorks.vProductAndDescriptionRow
 row in this.AdventureWorks.vProductAndDescription.Rows)
    {
        // set barcode encoding data value
        barcode.Data = row.ProductID.ToString();
        // set drawing barcode image format
        barcode.Format = System.Drawing.Imaging.ImageFormat.Jpeg;
        row.Barcode = barcode.drawBarcodeAsBytes();
    }
    this.reportViewer1.RefreshReport();
}

using System;
using System.Collections.Generic;
using BusinessRefinery.Barcode;
public class Product
{
    private string m_name;
    private int m_price;
    private byte[] m_bit;
    public Product(string name, int price, string data)
    {
        m_name = name;
        m_price = price;
        WebDataMatrix barcode = new WebDataMatrix ();
        m_bit = barcode.drawBarcodeAsBytes();
    }
    public byte[] Bit
    {
        get { return m_bit; }
    }
    public string Name
    {
        get
        {
            return m_name;
        }
    }
    public int Price
    {
        get
        {
            return m_price;
        }
    }
}
public class Merchant
{
    private List<Product> m_products;
    public Merchant()
    {
        m_products = new List<Product>();
        m_products.Add(new Product("EAN13", 25, "EAN13"));
        m_products.Add(new Product("EAN13", 30, "EAN13"));
        m_products.Add(new Product("qrcode", 15, "qrcode"));
    }
    public List<Product> GetProducts()
    {
        return m_products;
    }
}
    {
        m_products = new List<Product>();
        m_products.Add(new Product("code128", 25, "code128"));
        m_products.Add(new Product("code39", 30, "code39"));
        m_products.Add(new Product("qrcode", 15, "qrcode"));
    }
    public List<Product> GetProducts()
    {
        return m_products;
    }
}