    using System;
    using System.Collections.Generic;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;

    using System.Drawing;

    // Use EVO PDF Namespace
    using EvoPdfClient;

    namespace EvoHtmlToPdfDemo.PDF_Creator.Headers_and_Footers
    {
        public partial class Page_Numbers_in_HTML : System.Web.UI.Page
        {
            protected void createPdfButton_Click(object sender, EventArgs e)
            {
                // Get the server IP and port
                String serverIP = textBoxServerIP.Text;
                uint serverPort = uint.Parse(textBoxServerPort.Text);

                // Create a PDF document
                Document pdfDocument = null;
                if (radioButtonUseTcpService.Checked)
                    pdfDocument = new Document(serverIP, serverPort);
                else
                    pdfDocument = new Document(true, textBoxWebServiceUrl.Text);

                // Set optional service password
                if (textBoxServicePassword.Text.Length > 0)
                    pdfDocument.ServicePassword = textBoxServicePassword.Text;

                // 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 = htmlWithPageNumbersTextBox.Text;
                string baseUrl = baseUrlTextBox.Text;
                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 (drawFooterLineCheckBox.Checked)
                {
                    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, urlTextBox.Text);

                // 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(footerSpacingTextBox.Text);

                // 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();

                // Write the memory buffer in a PDF file// Send the PDF as response to browser

                // Set response content type
                Response.AddHeader("Content-Type", "application/pdf");

                // Instruct the browser to open the PDF file as an attachment or inline
                Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Page_Numbers_in_HTML.pdf; size={0}", outPdfBuffer.Length.ToString()));

                // Write the PDF document buffer to HTTP response
                Response.BinaryWrite(outPdfBuffer);

                // End the HTTP response and stop the current page processing
                Response.End();
            }

            protected void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    string currentPageUrl = HttpContext.Current.Request.Url.AbsoluteUri;
                    string rootUrl = "http://www.evopdf.com/demo/";

                    string htmlWithPageNumbers = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/HTML_Files/Page_Numbers_in_HTML.html"));

                    htmlWithPageNumbersTextBox.Text = htmlWithPageNumbers;
                    baseUrlTextBox.Text = rootUrl + "DemoAppFiles/Input/HTML_Files/";

                    sampleCodeLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Code_Samples/CSharp/AspNet/PDF_Creator/Headers_and_Footers/Page_Numbers_in_HTML.html"));
                    descriptionLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Descriptions/AspNet/PDF_Creator/Headers_and_Footers/Page_Numbers_in_HTML.html"));

                    Master.CollapseAll();
                    Master.ExpandNode("PDF_Creator");
                    Master.ExpandNode("PDF_Creator_Headers_and_Footers");
                    Master.SelectNode("PDF_Creator_Page_Numbers_in_HTML");
                }
            }

            protected void demoMenu_MenuItemClick(object sender, MenuEventArgs e)
            {
                switch (e.Item.Value)
                {
                    case "Live_Demo":
                        demoMultiView.SetActiveView(liveDemoView);
                        break;
                    case "Description":
                        demoMultiView.SetActiveView(descriptionView);
                        break;
                    case "Sample_Code":
                        demoMultiView.SetActiveView(sampleCodeView);
                        break;
                    default:
                        break;
                }
            }
        }
    }