How to create, print barcodes in SAP Crystal Reports for .NET applications?

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using CrystalDecisions.Windows.Forms;
using OnBarcode.Barcode.CrystalReports;

namespace OnBarcodeCrystalReportsWinFormsDemo
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            this.productTableAdapter1.Fill(this.dataSet11.Product);
            Linear linear = new Linear();
            linear.Type = BarcodeType.CODE128;
            linear.UOM = UnitOfMeasure.INCH;
            linear.BarcodeWidth = 5;
            linear.BarcodeHeight = 2;
            linear.AutoResizePaddingTransparent = false;
            foreach (DataSet1.ProductRow row in this.dataSet11.Product.Rows)
            {
                linear.Data = row.ProductID.ToString();
                linear.OutputFileFormat = FileFormat.PNG;
                row.Barcode = linear.drawBarcodeAsBytes();
            }
            // Create Report
            CrystalReport1 rpt = new CrystalReport1();
            // Binding DataTable
            rpt.SetDataSource(this.dataSet11);
            // Binding Report
            this.crystalReportViewer1.ReportSource = rpt;
        }
    }
}

using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using CrystalDecisions.Windows.Forms;
using OnBarcode.Barcode.CrystalReports;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

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

        private void Form1_Load(object sender, EventArgs e)
        {
            //  Prepare report data.
            DataTable dt = new DataTable();
            dt.Columns.Add("ID", typeof(String));
            dt.Columns.Add("Barcode", typeof(byte[]));

            String id1 = "000001";
            String id2 = "000002";

            //  Create data for the 1st row in the table.
            Linear linear = new Linear();
            linear.Type = BarcodeType.CODE128;
            linear.UOM = UnitOfMeasure.INCH;
            linear.BarcodeWidth = 5;
            linear.BarcodeHeight = 2;
            linear.AutoResizePaddingTransparent = false;
            linear.OutputFileFormat = FileFormat.PNG;

            linear.Data = id1;
            byte[] imgData = linear.drawBarcodeAsBytes();
            dt.Rows.Add(id1, imgData);

            //  Create data for the 2nd row in the table.
            linear.Data = id2;
            imgData = linear.drawBarcodeAsBytes();
            dt.Rows.Add(id2, imgData);

            //  Create Report
            CrystalReport1 rpt = new CrystalReport1();
            //  Binding DataTable
            rpt.SetDataSource(dt);
            //  Binding Report
            this.crystalReportViewer1.ReportSource = rpt;
        }
    }
}