Generate 128 Bit Barcode and display it in ASP.Net ListView

HTML

    <asp:ListView ID="ListView1" runat="server" OnItemDataBound="OnItemDataBound" GroupPlaceholderID="groupPlaceHolder1"
        ItemPlaceholderID="itemPlaceHolder1">
        <LayoutTemplate>
            <table cellpadding="2" cellspacing="0" border="1" style="width: 200px; border: dashed 2px #04AFEF;
                background-color: #B0E2F5">
                <asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
            </table>
        </LayoutTemplate>
        <GroupTemplate>
            <tr>
                <asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
            </tr>
        </GroupTemplate>
        <ItemTemplate>
            <td>
                <asp:Label ID="lblItem" runat="server" Text='<%# Eval("Item") %>'></asp:Label>
            </td>
            <td>
                <asp:HiddenField ID="hfBarCode" runat="server" Value='<%# Eval("Barcode") %>' />
                <asp:Image ID="imgBarCode" runat="server" />
            </td>
        </ItemTemplate>
    </asp:ListView>

Code

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataTable dt = new DataTable();
            dt.Columns.AddRange(new DataColumn[2] { new DataColumn("Item"), new DataColumn("Barcode") });
            dt.Rows.Add("Shirt", "1241972");
            dt.Rows.Add("Tie", "7208922");
            dt.Rows.Add("Jeans", "2387841");
            dt.Rows.Add("Hat", "1254577");
            dt.Rows.Add("Cap", "6912784");
            dt.Rows.Add("Watch", "5894756");
            ListView1.DataSource = dt;
            ListView1.DataBind();
        }
    }
    protected void OnItemDataBound(object sender, ListViewItemEventArgs e)
    {
        if (e.Item.ItemType == ListViewItemType.DataItem)
        {
            string barCode = (e.Item.FindControl("hfBarCode") as HiddenField).Value;
            System.Web.UI.WebControls.Image imgBarCode = (e.Item.FindControl("imgBarCode") as System.Web.UI.WebControls.Image);
            using (Bitmap bitMap = new Bitmap(barCode.Length * 40, 80))
            {
                using (Graphics graphics = Graphics.FromImage(bitMap))
                {
                    Font oFont = new Font("IDAutomationHC39M", 16);
                    PointF point = new PointF(2f, 2f);
                    SolidBrush blackBrush = new SolidBrush(Color.Black);
                    SolidBrush whiteBrush = new SolidBrush(Color.White);
                    graphics.FillRectangle(whiteBrush, 0, 0, bitMap.Width, bitMap.Height);
                    graphics.DrawString("*" + barCode + "*", oFont, blackBrush, point);
                }
                using (MemoryStream ms = new MemoryStream())
                {
                    bitMap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
                    byte[] byteImage = ms.ToArray();

                    Convert.ToBase64String(byteImage);
                    imgBarCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(byteImage);
                }
            }
        }
    }

Namespaces

using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Data;