Bind a strongly typed report document to C# forms

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C#

VS2010

CrystalReports

I have created a main report and attached a subreport to it. It's working fine in visual studio 2010. When i click main report preview it shows all the details correctly. Bt if i trying to attach it a windows form it shows a message "An Error occured while adding a Strongly typed report document.....".
How to attach this report in c#.
Following is my code part....

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using System.Data.SqlClient;

namespace WindowsFormsApplication1
{
    public partial class payment_w_opb : Form
    {
        
        public payment_w_opb()
        {
            InitializeComponent();
        }

        private void crystalReportViewer1_Load(object sender, EventArgs e)
        {


        }

        private void payment_w_opb_Load(object sender, EventArgs e)
        {
            ReportDocument cryRpt = new ReportDocument();
            cryRpt.Load(@"D:\Completing\WindowsFormsApplication1\CrystalReport23.rpt");
            crystalReportViewer1.ReportSource = cryRpt;
            crystalReportViewer1.Refresh();
        }

        private void CrystalReport241_InitReport(object sender, EventArgs e)
        {
        }
    }
}