Crystalreportviewer Toolbar controls disapperas on postback

Question

Hi,
i am using CR XI R2. i have customized my crystalreportviewer toolbar to add buttons on it using followinf code
System.Web.UI.Control oControl = CrystalReportViewer1.Controls[2];
Button oButton = new Button();
oButton.ID = "newButton";
oButton.Text = "My New Button";
oControl.Controls.Add(oButton);
when i click the button in crystalrpeortviewer toolbar, the button control disappears. i tried to re-create the control in postback i receive an error saying
Multiple controls with the same ID newButton were found. FindControl requires that controls have unique IDs.
please help me
padmanaban v

Answer 1

I'll get the 404 error checked out. Meanwhile, here is a copy of the note;
Symptom
How to add a customized print button to the Crystal Reports viewer control in Visual Studio .NET 2008 Windows application instead of using existing print button?
Resolution
Customized print button can be added to the Crystal Reports Viewer by using ToolStrip.
Please refer to the following code to add a customized print button to the Crystal Reports Viewer control:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using System.Drawing.Printing;
namespace WindowsFormsApplication1
    public partial class Form1 : Form
        CrystalReport1 cr;
        public Form1()
            InitializeComponent();
        private void Form1_Load(object sender, EventArgs e)
ToolStrip ts;
            ts = (ToolStrip)crystalReportViewer1 .Controls[3];
            ToolStripButton printbutton = new ToolStripButton();
            printbutton.Image = ts.Items[1].Image;
            ts.Items.Remove(ts.Items[1]);
            ts.Items.Insert(1, printbutton);
            ts.Items[1].Click += new EventHandler(this.CaptureEvent);
            cr = new CrystalReport1();
            this.crystalReportViewer1.ReportSource = cr;
        private void CaptureEvent(Object Sender, EventArgs e)
            try
            {        // Create a Print Dialog
                PrintDialog printDialog1 = new PrintDialog();
                // Create a Print Document
                PrintDocument pd = new PrintDocument();
                printDialog1.Document = pd;
                printDialog1.ShowNetwork = true;
printDialog1.AllowSomePages = true;
                DialogResult result = printDialog1.ShowDialog();
                if (result == DialogResult.OK)
                    MessageBox.Show("Print button has been selected !!!");
PrintReport(printDialog1.PrinterSettings.PrinterName);
                else if (result == DialogResult.Cancel)
                    MessageBox.Show("Cancel button has been selected !!!");
catch (Exception ex)
                MessageBox.Show(ex.Message);