Add Page Numbering in HTML

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;

// Use EVO PDF Namespace
using EvoPdfClient;

namespace EvoHtmlToPdfDemo.Controllers.PDF_Creator.Headers_and_Footers
{
    public class PDF_Creator_Page_Numbers_in_HTMLController : Controller
    {
        [HttpPost]
        public ActionResult CreatePdf(IFormCollection collection)
        {
            // Get the server options
            string serverIP = collection["textBoxServerIP"];
            uint serverPort = uint.Parse(collection["textBoxServerPort"]);
            string servicePassword = collection["textBoxServicePassword"];
            bool useServicePassword = servicePassword.Length > 0;
            bool useTcpService = collection["ServerType"] == "radioButtonUseTcpService";
            string webServiceUrl = collection["textBoxWebServiceUrl"];

            // Create a PDF document
            Document pdfDocument = null;
            if (useTcpService)
                pdfDocument = new Document(serverIP, serverPort);
            else
                pdfDocument = new Document(true, webServiceUrl);

            // Set optional service password
            if (useServicePassword)
                pdfDocument.ServicePassword = servicePassword;

            // Set license key received after purchase to use the converter in licensed mode
            // Leave it not set to use the converter in demo mode
            pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";

            // Add a PDF page to PDF document
            PdfPage pdfPage = pdfDocument.AddPage();

            // Create the document footer template
            pdfDocument.AddFooterTemplate(50);

            // ----- Add HTML with Page Numbering to Footer -----

            // Create a variable HTML element with page numbering
            string htmlStringWithPageNumbers = collection["htmlWithPageNumbersTextBox"];
            string baseUrl = collection["baseUrlTextBox"];
            HtmlToPdfVariableElement footerHtmlWithPageNumbers = new HtmlToPdfVariableElement(htmlStringWithPageNumbers, baseUrl);

            // Set the HTML element to fit the container height
            footerHtmlWithPageNumbers.FitHeight = true;

            // Add variable HTML element with page numbering to footer
            pdfDocument.Footer.AddElement(footerHtmlWithPageNumbers);

            // Optionally draw a line at the top of the footer
            if (collection["drawFooterLineCheckBox"].Count > 0)
            {
                float footerWidth = pdfDocument.GetPage(0).PageSize.Width;

                // Create a line element for the top of the footer
                LineElement footerLine = new LineElement(0, 0, footerWidth, 0);

                // Set line color
                footerLine.ForeColor = RgbColor.Gray;

                // Add line element to the bottom of the footer
                pdfDocument.Footer.AddElement(footerLine);
            }

            // Create a HTML to PDF element to add to document
            HtmlToPdfElement htmlToPdfElement = new HtmlToPdfElement(0, 0, collection["urlTextBox"]);

            // Optionally set a delay before conversion to allow asynchonous scripts to finish
            htmlToPdfElement.ConversionDelay = 2;

            // Optionally add a space between footer and the page body
            // Leave this option not set for no spacing
            htmlToPdfElement.BottomSpacing = float.Parse(collection["footerSpacingTextBox"]);

            // Add the HTML to PDF element to document
            // This will raise the PrepareRenderPdfPageEvent event where the header and footer visibilit per page can be changed
            pdfPage.AddElement(htmlToPdfElement);

            // Save the PDF document in a memory buffer
            byte[] outPdfBuffer = pdfDocument.Save();

            // Send the PDF file to browser
            FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
            fileResult.FileDownloadName = "Page_Numbers_in_HTML.pdf";

            return fileResult;
        }
    }
}

<!DOCTYPE html>
<html>
<head>
    <title>Add Page Numbering in HTML</title>
</head>
<body style="font-family: 'Times New Roman'; font-size: 14px">
    <table style="width: 100%">
        <tr>
            <td style="font-weight: bold; color: navy">HTML with Page Numbering</td>
            <td rowspan="2"><a href="http://www.evopdf.com">
                <img alt="Logo Image" style="width: 200px" src="img/logo.jpg" /></a></td>
            <td rowspan="2" style="width: 5px"></td>
        </tr>
        <tr>
            <!-- Add Page Numbering in HTML using &p; and &P -->
            <td style="width: 90%">Page <span style="color: navy; font-weight: bold">&p;</span> of <span style="font-size: 16px; color: green; font-weight: bold">&P;</span> pages
            </td>
        </tr>
    </table>
</body>
</html>