How to convert HTML file to Excel in J#.NET

package Tutorial40;

/* ---------------------------------------------------------------------
 * Tutorial 40
 * 
 * This tutorial shows how to convert HTML file to Excel in J#. The
 * HTML file generated by Tutorial 31 is imported, some data is modified
 * and after that is exported as Excel file.
 * --------------------------------------------------------------------- */

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

public class Tutorial40
{
    
    public Tutorial40()
    {
    }

    /** @attribute System.STAThread() */
    public static void main(String[] args)
    {
        Console.WriteLine("Tutorial 40\n-----------\n");

        // Create an instance of the class used to import/export Excel files
        ExcelDocument workbook = new ExcelDocument();

        // Import HTML file
        Console.WriteLine("Reading file C:\\Samples\\Tutorial31.html");

        if (workbook.easy_LoadHTMLFile("C:\\Samples\\Tutorial31.html"))
        {
             // Set worksheet name
            workbook.easy_getSheetAt(0).setSheetName("First tab");

            // Add new worksheet and add some data in cells (optional step)
            workbook.easy_addWorksheet("Second tab");
            ExcelTable xlsTable = ((ExcelWorksheet)workbook.easy_getSheetAt(1)).easy_getExcelTable();
            xlsTable.easy_getCell("A1").setValue("Data added by Tutorial40");

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

            // Export Excel file
            Console.WriteLine("\nWriting file C:\\Samples\\Tutorial40 - convert HTML to Excel.xlsx.");
            workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial40 - convert HTML to Excel.xlsx");

            // Confirm conversion of HTML to Excel
            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\\Tutorial31.html \n" + workbook.easy_getError());
        }

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

        // Dispose memory
        workbook.Dispose();

        Console.ReadLine();
    }
}