I am trying to print barcode in zebra ZDesigner GK420t printer,but the printer is showing this page cannot be printed ,can an...

using System;

using System.Collections.Generic;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

 

namespace ServerPrintExample

{

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

    {

        protected void Button1_Click(object sender, EventArgs e)

        {

            System.Drawing.Printing.PrintDocument printdoc = new System.Drawing.Printing.PrintDocument();

            printdoc.PrinterSettings.PrinterName = "CutePDF Writer";

            printdoc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(printdoc_PrintPage);

            printdoc.Print();

        }

        void printdoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)

        {

            e.Graphics.DrawString(this.TextBox1.Text, new System.Drawing.Font("Arial", 16.0f), System.Drawing.Brushes.Black, new System.Drawing.PointF(10.0f, 10.0f));

            e.Graphics.DrawString(this.TextBox2.Text, new System.Drawing.Font("Free 3 of 9", 24.0F), System.Drawing.Brushes.Black, new System.Drawing.PointF(10.0f, 50.0f));

        }

    }

}