    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
    {
        public partial class Getting_Started : 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 HTML Viewer width in pixels which is the equivalent in converter of the browser window width
                htmlToPdfConverter.HtmlViewerWidth = int.Parse(htmlViewerWidthTextBox.Text);

                // Set HTML viewer height in pixels to convert the top part of a HTML page
                // Leave it not set to convert the entire HTML
                if (htmlViewerHeightTextBox.Text.Length > 0)
                    htmlToPdfConverter.HtmlViewerHeight = int.Parse(htmlViewerHeightTextBox.Text);

                // Set PDF page size which can be a predefined size like A4 or a custom size in points
                // Leave it not set to have a default A4 PDF page
                htmlToPdfConverter.PdfDocumentOptions.PdfPageSize = SelectedPdfPageSize();

                // Set PDF page orientation to Portrait or Landscape
                // Leave it not set to have a default Portrait orientation for PDF page
                htmlToPdfConverter.PdfDocumentOptions.PdfPageOrientation = SelectedPdfPageOrientation();

                // Set the maximum time in seconds to wait for HTML page to be loaded
                // Leave it not set for a default 60 seconds maximum wait time
                htmlToPdfConverter.NavigationTimeout = int.Parse(navigationTimeoutTextBox.Text);

                // 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
                if (conversionDelayTextBox.Text.Length > 0)
                    htmlToPdfConverter.ConversionDelay = int.Parse(conversionDelayTextBox.Text);

                // The buffer to receive the generated PDF document
                byte[] outPdfBuffer = null;

                if (convertUrlRadioButton.Checked)
                {
                    string url = urlTextBox.Text;

                    // Convert the HTML page given by an URL to a PDF document in a memory buffer
                    outPdfBuffer = htmlToPdfConverter.ConvertUrl(url);
                }
                else
                {
                    string htmlString = htmlStringTextBox.Text;
                    string baseUrl = baseUrlTextBox.Text;

                    // Convert a HTML string with a base URL to a PDF document in a memory buffer
                    outPdfBuffer = htmlToPdfConverter.ConvertHtml(htmlString, 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("{0}; filename=Getting_Started.pdf; size={1}",
                    openInlineCheckBox.Checked ? "inline" : "attachment", 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();
            }

            private PdfPageSize SelectedPdfPageSize()
            {
                switch (pdfPageSizeDropDownList.SelectedValue)
                {
                    case "A0":
                        return PdfPageSize.A0;
                    case "A1":
                        return PdfPageSize.A1;
                    case "A10":
                        return PdfPageSize.A10;
                    case "A2":
                        return PdfPageSize.A2;
                    case "A3":
                        return PdfPageSize.A3;
                    case "A4":
                        return PdfPageSize.A4;
                    case "A5":
                        return PdfPageSize.A5;
                    case "A6":
                        return PdfPageSize.A6;
                    case "A7":
                        return PdfPageSize.A7;
                    case "A8":
                        return PdfPageSize.A8;
                    case "A9":
                        return PdfPageSize.A9;
                    case "ArchA":
                        return PdfPageSize.ArchA;
                    case "ArchB":
                        return PdfPageSize.ArchB;
                    case "ArchC":
                        return PdfPageSize.ArchC;
                    case "ArchD":
                        return PdfPageSize.ArchD;
                    case "ArchE":
                        return PdfPageSize.ArchE;
                    case "B0":
                        return PdfPageSize.B0;
                    case "B1":
                        return PdfPageSize.B1;
                    case "B2":
                        return PdfPageSize.B2;
                    case "B3":
                        return PdfPageSize.B3;
                    case "B4":
                        return PdfPageSize.B4;
                    case "B5":
                        return PdfPageSize.B5;
                    case "Flsa":
                        return PdfPageSize.Flsa;
                    case "HalfLetter":
                        return PdfPageSize.HalfLetter;
                    case "Ledger":
                        return PdfPageSize.Ledger;
                    case "Legal":
                        return PdfPageSize.Legal;
                    case "Letter":
                        return PdfPageSize.Letter;
                    case "Letter11x17":
                        return PdfPageSize.Letter11x17;
                    case "Note":
                        return PdfPageSize.Note;
                    default:
                        return PdfPageSize.A4;
                }
            }

            private PdfPageOrientation SelectedPdfPageOrientation()
            {
                return (pdfPageOrientationDropDownList.SelectedValue == "Portrait") ?
                    PdfPageOrientation.Portrait : PdfPageOrientation.Landscape;
            }

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

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

            protected void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    pdfPageSizeDropDownList.SelectedValue = "A4";
                    pdfPageOrientationDropDownList.SelectedValue = "Portrait";

                    urlPanel.Visible = convertUrlRadioButton.Checked;
                    htmlStringPanel.Visible = !convertUrlRadioButton.Checked;

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

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

            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;
                }
            }
        }
    }