Refreshed Qrcode

Hello i need help with my code i can't display multiple Qrcode at same page , i just want to generate Qrcode of the first element of the array and then display second element

i just want to like a refreshed Qr code

using QRCoder;
using System;
using System.Drawing;
using System.Drawing.Imaging;

namespace QrCoder_3
{
public partial class WebForm1 : System.Web.UI.Page
{enter code here
enter code here


    public void Qrcode(int i)
    {

        string[] cars = { "Volvo", "BMW", "Ford", "Mazda" };
        QRCodeGenerator qrGenerator = new QRCodeGenerator();
        QRCodeData qrCodeData = qrGenerator.CreateQrCode(cars[i], 
        QRCodeGenerator.ECCLevel.Q);
        QRCode qrCode = new QRCode(qrCodeData);

        Bitmap qrCodeImage = qrCode.GetGraphic(10, Color.Black, Color.White, 
  (Bitmap)Bitmap.FromFile("C:\\Users\\M\\Desktop\\3800\\ksulogo.png"));
        qrCodeImage.Save("C:\\Users\\M\\source\\Projects\\QrCoder_3\\img.jpg", ImageFormat.Jpeg);


        QRimage.ImageUrl = "img.jpg";
    }



    protected void Page_Load(object sender, EventArgs e)
    {

        int i = 0;
        for (i = 0; i <= 3; i++)
            Qrcode(i);


    }








}

}