Load report failed ERROR

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 System.Data.SqlClient;
using CrystalDecisions.Shared;
using CrystalDecisions.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void SetLogin(ConnectionInfo connectioninfo,ReportDocument reportdocument)
        {
            TableLogOnInfos TbLogOnInfos = crystalReportViewer1.LogOnInfo;
            foreach (TableLogOnInfo TbLogOnInfo in TbLogOnInfos)
                TbLogOnInfo.ConnectionInfo = connectioninfo;
            Tables tables = reportdocument.Database.Tables;
            foreach (Table table in tables)
            {
                TableLogOnInfo tbllogoninfo = table.LogOnInfo;
                tbllogoninfo.ConnectionInfo = connectioninfo;
                table.ApplyLogOnInfo(tbllogoninfo);
            }         
        }       
        private void Form1_Load(object sender, EventArgs e)
        {
            ReportDocument RepDoc = new ReportDocument();
            ConnectionInfo connectioninfo = new ConnectionInfo();
            connectioninfo.ServerName = "(local)";
            connectioninfo.Password = "123";
            connectioninfo.UserID = "sa";
            connectioninfo.DatabaseName = "Gold_Database";
            string RepPach = Application.StartupPath + @"\WindowsFormsApplication2\CrystalReport2.rpt";
            crystalReportViewer1.ReportSource = RepPach; // ---------Invalid report file path ERROR
            RepDoc.Load(RepPach);
            crystalReportViewer1.ReportSource = RepDoc;
            SetLogin(connectioninfo, RepDoc);           
        }       
    }
}