Create and Save Bar Code in asp.net with C#

Create and Save Bar Code in asp.net with C#

Please download "IDAutomationHC39M" font online.

.Aspx Page :

<form id="form1" runat="server">

        <asp:TextBox ID=" txtInput " runat="server"></asp:TextBox>

        <asp:Button ID="btnGenerate" runat="server" Text="Generate" OnClick="btnGenerate_Click" />

        <hr />

        <asp:PlaceHolder ID="plBarCode" runat="server" />

    </form>

.Cs Page :

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

using OnBarcode.Barcode;

//using Zen.Barcode;

public partial class BarCode : System.Web.UI.Page

{

    protected void btnGenerate_Click(object sender, EventArgs e)

    {

       

        string barCode = txtInput.Text;

      

        System.Web.UI.WebControls.Image imgBarCode = new System.Web.UI.WebControls.Image();

        using (Bitmap bitMap = new Bitmap(barCode.Length * 30, 60))

        {

            using (Graphics graphics = Graphics.FromImage(bitMap))

            {

                Font oFont = new Font("IDAutomationHC39M", 20);

                //Font oFont = new Font("Code 3 de 9", 50);

                //Font oFont = new Font("Code 128", 80);

                //Font oFont = new Font("Code 2 of 5 interleaved", 40);

                //Font oFont = new Font("barcode font", 70);

                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();

                string result = Convert.ToBase64String(byteImage);

                CreateImage(result.ToString());

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

            }

            plBarCode.Controls.Add(imgBarCode);

        }

    }

    public string CreateImage(string Byt)

    {

        try

        {

            byte[] data = Convert.FromBase64String(Byt);

            var filename = Convert.ToString(System.Guid.NewGuid()).Substring(0, 5) + Convert.ToString(System.Guid.NewGuid()).Substring(0, 5) + System.DateTime.Now.ToString("FFFFFF") + System.DateTime.Now.Minute + ".png";// +System.DateTime.Now.ToString("fffffffffff") + ".png";

            var file = HttpContext.Current.Server.MapPath("~/AppImages/" + filename);

            System.IO.File.WriteAllBytes(file, data);

            string ImgName = ".../profileimages/" + filename;

            return filename;

        }

        catch (Exception e)

        {

            return "Error";

        }

    }

}

It Will look like :