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

    // Use EVO PDF Namespace
    using EvoPdfClient;

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

                // Create a HTML to PDF converter object
                HtmlToPdfConverter htmlToPdfConverter = null;
                if (radioButtonUseTcpService.Checked)
                    htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort);
                else
                    htmlToPdfConverter = new HtmlToPdfConverter(true, textBoxWebServiceUrl.Text);

                // Set optional service password
                if (textBoxServicePassword.Text.Length > 0)
                    htmlToPdfConverter.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
                htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";

                // Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
                // Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
                htmlToPdfConverter.ConversionDelay = 2;

                // Optionally set the table of contents title
                htmlToPdfConverter.TableOfContentsOptions.Title = "Table of Contents";

                // Optionally set the title style using CSS sttributes
                htmlToPdfConverter.TableOfContentsOptions.TitleStyle = "color:navy; font-family:'Times New Roman'; font-size:28px; font-weight:normal";

                // Optionally set the style of level 1 items in table of contents
                string level1TextStyle = "color:navy; font-family:'Times New Roman'; font-size:20px; font-weight:normal; font-style:normal; background-color:#F0F0F0";
                htmlToPdfConverter.TableOfContentsOptions.SetItemStyle(1, level1TextStyle);

                // Optionally set the page numbers style of level 1 items in table of contents
                string level1PageNumberStyle = "color:navy; padding-right:3px; background-color:#F0F0F0; font-size:14px; font-weight:bold";
                htmlToPdfConverter.TableOfContentsOptions.SetPageNumberStyle(1, level1PageNumberStyle);

                byte[] outPdfBuffer = null;

                if (convertHtmlRadioButton.Checked)
                {
                    string htmlWithBookmarkAttributes = htmlStringTextBox.Text;
                    string baseUrl = baseUrlTextBox.Text;

                    // Convert a HTML string with table of contents to a PDF document in a memory buffer
                    outPdfBuffer = htmlToPdfConverter.ConvertHtml(htmlWithBookmarkAttributes, baseUrl);
                }
                else
                {
                    string url = urlTextBox.Text;

                    // Convert a HTML page with table of contents to a PDF document in a memory buffer
                    outPdfBuffer = htmlToPdfConverter.ConvertUrl(url);
                }

                // 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=Define_in_HTML_Table_of_Contents.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/";

                    htmlStringTextBox.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/HTML_Files/Table_of_Contents.html"));
                    baseUrlTextBox.Text = rootUrl + "DemoAppFiles/Input/HTML_Files/";

                    urlTextBox.Text = rootUrl + "DemoAppFiles/Input/HTML_Files/Table_of_Contents.html";

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

                    Master.CollapseAll();
                    Master.ExpandNode("HTML_to_PDF");
                    Master.ExpandNode("Table_of_Contents");
                    Master.SelectNode("Define_in_HTML_Table_of_Contents");
                }
            }

            protected void convertHtmlRadioButton_CheckedChanged(object sender, EventArgs e)
            {
                urlPanel.Visible = convertUrlRadioButton.Checked;
                htmlStringPanel.Visible = !convertUrlRadioButton.Checked;
            }

            protected void convertUrlRadioButton_CheckedChanged(object sender, EventArgs e)
            {
                urlPanel.Visible = convertUrlRadioButton.Checked;
                htmlStringPanel.Visible = !convertUrlRadioButton.Checked;
            }

            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;
                }
            }

            protected void viewHtmlLinkButton_Click(object sender, EventArgs e)
            {
                Response.Redirect(urlTextBox.Text);
            }
        }
    }