How to apply auto-filter in J#.NET

package Tutorial20;

/* -----------------------------------------------------
 * Tutorial 20
 * 
 * This tutorial shows how to create an Excel file in J#
 * and apply an auto-filter to a range of cells.  
 * ----------------------------------------------------- */

import System.*;
import EasyXLS.*;
import EasyXLS.Constants.*;

public class Tutorial20
{

    public Tutorial20()
    {
    }

    /** @attribute System.STAThread() */
    public static void main(String[] args)
    {
        Console.WriteLine("Tutorial 20\n----------\n");

        // Create an instance of the class that exports Excel files having one sheet
        ExcelDocument workbook = new ExcelDocument(1);
            
        // Get the table of data for the worksheet
        ExcelWorksheet xlsTab = ((ExcelWorksheet)workbook.easy_getSheet("Sheet1"));
        ExcelTable xlsTable  = xlsTab.easy_getExcelTable();

        // Add data in cells for report header
        for (int column=0; column<5; column++)
        {
            xlsTable.easy_getCell(0,column).setValue("Column " + (column + 1));
            xlsTable.easy_getCell(0,column).setDataType(DataType.STRING);
        }

        // Add data in cells for report values
        for (int row=0; row<100; row++)
        {
            for (int column=0; column<5; column++)
            {
                xlsTable.easy_getCell(row+1,column).setValue("Data " + (row + 1) + ", " + (column + 1));
                xlsTable.easy_getCell(row+1,column).setDataType(DataType.STRING);
            }
        }

        // Apply auto-filter on cell range A1:E1
        ExcelFilter xlsFilter = xlsTab.easy_getFilter();
        xlsFilter.setAutoFilter("A1:E1");

        // Export Excel file
        Console.WriteLine("Writing file C:\\Samples\\Tutorial20 - autofilter in Excel sheet.xlsx.");
        workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial20 - autofilter in Excel sheet.xlsx");

        // Confirm export of Excel file
        String sError = workbook.easy_getError();
        if (sError.Equals(""))
            Console.Write("\nFile successfully created. Press Enter to Exit...");
        else
            Console.Write("\nError encountered: " + sError + "\nPress Enter to Exit...");

        // Dispose memory
        workbook.Dispose();

        Console.ReadLine();
    }
}