Отчет на OpenOffice Calc

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using System.Windows.Forms;
using Excel;
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            FileStream stream = File.Open("Книга2.xls", FileMode.Open, FileAccess.Read);
 
            //1. Reading from a binary Excel file ('97-2003 format; *.xls)
            IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryReader(stream);
            //...
            //3. DataSet - The result of each spreadsheet will be created in the result.Tables
            DataSet result = excelReader.AsDataSet();
            //...
 
            dataGridView1.DataSource = result.Tables[0];
 
            //6. Free resources (IExcelDataReader is IDisposable)
            excelReader.Close();
 
        }
    }
}