important : Fill Excel File using C#

            //create a new excelfile with a worksheet in it
            ExcelFile ef = new ExcelFile();
            ExcelWorksheet ws = ef.Worksheets.Add("Name");

            //fill the cells with something
            ws.Cells[0, 0].Value = "test";
            ws.Cells[1, 0].Value = "hello";

            //save as xls
            try
            {
                //@ in front of text => ignore special characters like \
                ef.SaveXls(@"C:\excelFile.xls");
            }
            catch (Exception ex)
            {
                //something went wrong (file is in use or whatever
                Console.WriteLine(ex.ToString());
            }