Step 1:
First of all you have to download BarCode Font and Install it.After Installing you have to restart the system.
Step2:
Create one webform and write the following code in .aspx page:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="BarCodeGenerate.aspx.cs" Inherits="BarCodeGenerate" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtCode" runat="server"></asp:TextBox>
<asp:Button ID="btnGenerate" runat="server" Text="Generate" OnClick="btnGenerate_Click" />
<hr />
<asp:PlaceHolder ID="plBarCode" runat="server" />
</div>
</form>
</body>
</html>
First of all you have to download BarCode Font and Install it.After Installing you have to restart the system.
Step2:
Create one webform and write the following code in .aspx page:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="BarCodeGenerate.aspx.cs" Inherits="BarCodeGenerate" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtCode" runat="server"></asp:TextBox>
<asp:Button ID="btnGenerate" runat="server" Text="Generate" OnClick="btnGenerate_Click" />
<hr />
<asp:PlaceHolder ID="plBarCode" runat="server" />
</div>
</form>
</body>
</html>
Step3:
Import 3 name space as following:
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
Step 4:
Write the following code in button click event:
protected void btnGenerate_Click(object sender, EventArgs e)
{
string barCode = txtCode.Text;
System.Web.UI.WebControls.Image imgBarCode = new 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);
}
plBarCode.Controls.Add(imgBarCode);
}
}
Step 5:
After write the following code run the page and enter some number in the textbox and see the out put as following:
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