[C#.NET] Generate QR Code ที่มีข้อมูลภาษาไทย เมื่อ Scan แล้วเป็นภาษาต่างดาว !!

protected void btnSearchQR_Click(object sender, EventArgs e)
        {
            strSQL = "SELECT * FROM QRCODE WHERE QRCTXT = '" + txtsearchQR.Text + "' ";
            objConn.Open();
            SqlCommand Cmd = new SqlCommand(strSQL, objConn);
            SqlDataReader rd = Cmd.ExecuteReader();
           

            while (rd.Read() == true)
            {
                txtPalletbuy.Text = rd.GetString(2);
                txtPalletfrom.Text = rd.GetString(3);
                txtPalletstay.Text = rd.GetString(4);
                txtPalletstatus.Text = rd.GetString(5);
            }

            objConn.Close();



            string Code = txtsearchQR.Text;
            string Code1 = txtPalletbuy.Text;
            string Code2 = txtPalletfrom.Text;
            string Code3 = txtPalletstay.Text;
            string Code4 = txtPalletstatus.Text;


            QRCodeGenerator qrGenerator = new QRCodeGenerator();
            QRCodeGenerator.QRCode qrCode = qrGenerator.CreateQrCode(Code+Code1+Code2+Code3+Code4, QRCodeGenerator.ECCLevel.Q);

            System.Web.UI.WebControls.Image imgQRCode = new System.Web.UI.WebControls.Image();
            
            imgQRCode.Height = 250;
            imgQRCode.Width = 250;

            using (Bitmap bitmap = qrCode.GetGraphic(20))
            {
                using (MemoryStream ms = new MemoryStream())
                {
                    bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
                    byte[] byteImage = ms.ToArray();
                    imgQRCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(byteImage);

                }
                PHQRCode.Controls.Add(imgQRCode);
            }
        }