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

    using System.IO;
    using System.Text;

    // Use EVO PDF Namespace
    using EvoPdfClient;

    namespace EvoHtmlToPdfDemo.HTML_to_PDF
    {
        public partial class Convert_Current_Page : System.Web.UI.Page
        {
            // Controls if the current HTML page will be rendered to PDF or as a normal page
            bool convertToPdf = false;

            protected void convertToPdfButton_Click(object sender, EventArgs e)
            {
                // The current ASP.NET page will be rendered to PDF when its Render method will be called by framework
                convertToPdf = true;
            }

            protected override void Render(HtmlTextWriter writer)
            {
                if (convertToPdf)
                {
                    // Get the current page HTML string by rendering into a TextWriter object
                    TextWriter outTextWriter = new StringWriter();
                    HtmlTextWriter outHtmlTextWriter = new HtmlTextWriter(outTextWriter);
                    base.Render(outHtmlTextWriter);

                    // Obtain the current page HTML string
                    string currentPageHtmlString = outTextWriter.ToString();

                    // 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;

                    // Use the current page URL as base URL
                    string baseUrl = "http://www.evopdf.com/demo/HTML_to_PDF/";

                    // Convert the current page HTML string to a PDF document in a memory buffer
                    byte[] outPdfBuffer = htmlToPdfConverter.ConvertHtml(currentPageHtmlString, baseUrl);

                    // 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=Convert_Current_Page.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();
                }
                else
                {
                    base.Render(writer);
                }
            }

            protected void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    sampleCodeLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Code_Samples/CSharp/AspNet/HTML_to_PDF/Convert_Current_Page.html"));
                    descriptionLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Descriptions/AspNet/HTML_to_PDF/Convert_Current_Page.html"));

                    Master.CollapseAll();
                    Master.ExpandNode("HTML_to_PDF");
                    Master.SelectNode("Convert_Current_Page");
                }
            }

            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 haveCarCheckBox_CheckedChanged(object sender, EventArgs e)
            {
                selectCarTypePanel.Visible = haveCarCheckBox.Checked;
            }
        }
    }