How to generate Barcode & QR Code in C#

By FoxLearn 11/19/2024 3:04:11 PM   8.56K
To generate barcodes and QR codes in a C# Windows Forms application using Zen Barcode, you'll first need to install the Zen Barcode library.

Zen Barcode is a simple and lightweight barcode library for generating 1D and 2D barcodes such as QR codes.

How to generate Barcode & QR Code in C#?

Open Visual Studio, click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "BarcodeExample" and then click OK

Right-click on your project in the Solution Explorer, then select Manage NuGet Packages -> Search zen barcode -> Install

c# install zen barcodeDrag and drop PictureBox, Label, TextBox, Button controls from Visual Toolbox onto your form designer, then design your form as below.

generate qrcode barcode in c#

After installing the package, make sure you have the necessary using directive in your code.

Add code to handle your form

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

    // c# generate barcode
    private void btnBarcode_Click(object sender, EventArgs e)
    {
        // Create the barcode object
        Zen.Barcode.Code128BarcodeDraw barcode = Zen.Barcode.BarcodeDrawFactory.Code128WithChecksum;
        // Display the barcode in the PictureBox
        pictureBox.Image = barcode.Draw(txtBarcode.Text, 50);
    }

    // c# generate qrcode
    private void btnQRCode_Click(object sender, EventArgs e)
    {
        // Create the qrcode object
        Zen.Barcode.CodeQrBarcodeDraw qrcode = Zen.Barcode.BarcodeDrawFactory.CodeQr;
        // Display the qrcode in the PictureBox
        pictureBox.Image = qrcode.Draw(txtQRCode.Text, 50);
    }
}

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