How to read XLS file in J#.NET

package Tutorial37;

/* ---------------------------------------------------------------------------
 * Tutorial 37
 * 
 * This tutorial shows how to read an Excel XLS file in J# (the
 * XLS file generated by Tutorial 28 as base template), modify
 * some data and save it to another XLS file (Tutorial37 - read XLS file.xls).
 * ------------------------------------------------------------------------ */

import System.*;
import System.IO.*;
import System.Data.*;
import EasyXLS.*;

public class Tutorial37
{
    public Tutorial37()
    {
    }

    /** @attribute System.STAThread() */
    public static void main(String[] args)
    {
        Console.WriteLine("Tutorial 37\n-----------\n");

        // Create an instance of the class that reads Excel files
        ExcelDocument workbook = new ExcelDocument();

        // Read XLS file
        Console.WriteLine("Reading file C:\\Samples\\Tutorial28.xls");

        if (workbook.easy_LoadXLSFile("C:\\Samples\\Tutorial28.xls"))
        {
            // Get the table of data for the second worksheet
            ExcelTable xlsSecondTable = 
                    ((ExcelWorksheet)workbook.easy_getSheet("Second tab")).easy_getExcelTable();

            // Write some data to the second sheet
            xlsSecondTable.easy_getCell("A1").setValue("Data added by Tutorial37");

            for (int column=0; column<5; column++)
            {
                xlsSecondTable.easy_getCell(1, column).setValue("Data " + (column + 1));
            }

            // Export the new XLS file
            Console.WriteLine("\nWriting file C:\\Samples\\Tutorial37 - read XLS file.xls.");
            workbook.easy_WriteXLSFile("C:\\Samples\\Tutorial37 - read XLS file.xls");

            // Confirm export of Excel file
            String sError = workbook.easy_getError();
            if (sError.Equals(""))
                Console.Write("\nFile successfully created.");
            else
                Console.Write("\nError encountered: " + sError);
        }
        else
        {
            Console.WriteLine("\nError reading file C:\\Samples\\Tutorial28.xls \n" + 
                              workbook.easy_getError());
        }

        Console.WriteLine("\nPress Enter to exit ...");

        // Dispose memory
        workbook.Dispose();

        Console.ReadLine();
    }
}