How can export the html data to Excel using C#?

/// <summary>
    /// Export to excel operation is done.
    /// </summary>
    /// <param name="objEmployee"></param>
    public void ExportToExcel(List<Employee> objEmployee)
    {
        // Load Excel application
        Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();

        // Create empty workbook
        excel.Workbooks.Add();

        // Create Worksheet from active sheet
        Microsoft.Office.Interop.Excel._Worksheet workSheet = excel.ActiveSheet;

        // I created Application and Worksheet objects before try/catch,
        // so that i can close them in finnaly block.
        // It's IMPORTANT to release these COM objects!!
        try
        {
            // ------------------------------------------------
            // Creation of header cells
            // ------------------------------------------------
            workSheet.Cells[1, "A"] = "ID";
            workSheet.Cells[1, "B"] = "Name";
            workSheet.Cells[1, "C"] = "Address";
            workSheet.Cells[1, "D"] = "State";
            workSheet.Cells[1, "E"] = "Country";

            // ------------------------------------------------
            // Populate sheet with some real data from "employees" list
            // ------------------------------------------------
            int row = 2; // start row (in row 1 are header cells)
            foreach (BusinessModels.Employee emp in objEmployee)
            {
                workSheet.Cells[row, "A"] = emp.ID;
                workSheet.Cells[row, "B"] = emp.Name;
                workSheet.Cells[row, "C"] = emp.Address;
                workSheet.Cells[row, "D"] = emp.State;
                workSheet.Cells[row, "E"] = emp.Country;

                row++;
            }

            // Apply some predefined styles for data to look nicely :)
            workSheet.Range["A1"].AutoFormat(Microsoft.Office.Interop.Excel.XlRangeAutoFormat.xlRangeAutoFormatClassic1);

            // Define filename
            string fileName = string.Format(@"{0}\ExportedData.xlsx", Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory));

            if (File.Exists(fileName))
            {
                File.Delete(fileName);
            }
            // Save this data as a file
            workSheet.SaveAs(fileName);

            // Display SUCCESS message
            ExcelMessages.ErrorMessage = (string.Format("The file '{0}' is saved successfully!", fileName));
        }
        catch (Exception exception)
        {
            throw new Exception("There was a PROBLEM saving Excel file!\n" + exception.Message);
        }
        finally
        {
            // Quit Excel application
            excel.Quit();

            // Release COM objects (very important!)
            if (excel != null)
                System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);

            if (workSheet != null)
                System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet);

            // Empty variables
            excel = null;
            workSheet = null;

            // Force garbage collector cleaning
           GC.Collect();
        }
    }