สร้าง Crystal report ผ่าน dataset ชื่อ myreport.rpt ตามตัวอย่าง อยากทราบ source code ในการเรียกดูครับ

using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using CrystalDecisions.CrystalReports.Engine;
using System.Data.SqlClient;
public class frmReport
{

	private void btnReport_Click(System.Object sender, System.EventArgs e)
	{
		SqlConnection objConn = new SqlConnection();
		SqlCommand objCmd = new SqlCommand();
		SqlDataAdapter dtAdapter = new SqlDataAdapter();

		DataSet ds = new DataSet();
		DataTable dt = null;
		string strConnString = null;
		string strSQL = null;

		strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;";
		strSQL = "SELECT * FROM audit WHERE CustomerID = '" + this.txtCustomerID.Text + "' ";

		objConn.ConnectionString = strConnString;
		var _with1 = objCmd;
		_with1.Connection = objConn;
		_with1.CommandText = strSQL;
		_with1.CommandType = CommandType.Text;
		dtAdapter.SelectCommand = objCmd;

		dtAdapter.Fill(ds, "myDataTable");
		dt = ds.Tables[0];

		dtAdapter = null;
		objConn.Close();
		objConn = null;

		ReportDocument rpt = new ReportDocument();
		string directory = My.Application.Info.DirectoryPath;
		//rpt.Load(directory & "\\myCrystalReport1.rpt")
		rpt.Load("C:\\DemoCrystalReport2\\DemoCrystalReport2\\myCrystalReport1.rpt");
		rpt.SetDataSource(dt);
		this.CrystalReportViewer1.ReportSource = rpt;
		this.CrystalReportViewer1.Refresh();

	}

}