private static void FirstTest()
        {
            var myExcel = new Excel(new ExcelOptions {
                Filename = "TestExcel", Visible = true, WorksheetName = "My Work"
            });

            // For logging purpose
            Console.WriteLine($"Excel build: {myExcel.Version}");

            myExcel.WriteCellValue(1, 1, "This is the name column");
            myExcel.WriteCellValue(1, 2, "This should go in B1; quick brown fox");
            myExcel.WriteCellValue(3, 2, "should be in b3");
            myExcel.WriteCellValue(3, 3, "good gracious great balls of fire!!!");
            // Number
            myExcel.WriteCellValue(3, 4, 12345.7890);
            myExcel.FormatCell(3, 4, "$ #,##0.00", false);
            // Date
            myExcel.WriteCellValue(3, 5, DateTime.Today);
            myExcel.FormatCell(3, 5, "dd-MMM-yyyy", false);
            myExcel.FormatCell(3, 6, string.Empty, true);


            //custom format
            var format = "[Red][<0]$ -#,##0.00; [Black][>0]$ #,##0.00";

            myExcel.WriteCellValue(4, 6, -345.346);
            myExcel.FormatCell(4, 6, format, false);

            myExcel.WriteCellValue(5, 6, 34545.346);
            myExcel.FormatCell(5, 6, format, false);

            myExcel.AutofitColumn(1);
            myExcel.AutofitColumn(2);
            myExcel.AutofitColumn(3);

            for (int i = 1; i < 21; i++)
            {
                myExcel.WriteCellValue(i, 7, new Random().Next());
            }

            myExcel.AutofitColumn(7);

            myExcel.SetEntireColumnFormat(7, "$ #,##0.00");
            myExcel.SetEntireColumnStyle(7, "Currency");

            myExcel.SaveAndQuit();
        }