    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.PDF_Creator
    {
        public partial class Create_PDF_Documents : System.Web.UI.Page
        {
            protected void createPdfButton_Click(object sender, EventArgs e)
            {
                // Get the PDF Standard
                // By default the Full PDF standard is used
                PdfStandardSubset pdfStandard = PdfStandardSubset.Full;
                if (pdfARadioButton.Checked)
                    pdfStandard = PdfStandardSubset.Pdf_A_1b;
                else if (pdfXRadioButton.Checked)
                    pdfStandard = PdfStandardSubset.Pdf_X_1a;

                // Get the Color Space
                // By default the RGB color space is used
                ColorSpace pdfColorSpace = ColorSpace.RGB;
                if (grayScaleRadioButton.Checked)
                    pdfColorSpace = ColorSpace.Gray;
                else if (cmykRadioButton.Checked)
                    pdfColorSpace = ColorSpace.CMYK;

                // Create the PDF document
                Document pdfDocument = null;

                // Get the server IP and port
                String serverIP = textBoxServerIP.Text;
                uint serverPort = uint.Parse(textBoxServerPort.Text);

                if (pdfStandard == PdfStandardSubset.Full && pdfColorSpace == ColorSpace.RGB)
                {
                    // Create a PDF document with default standard and color space
                    if (radioButtonUseTcpService.Checked)
                        pdfDocument = new Document(serverIP, serverPort);
                    else
                        pdfDocument = new Document(true, textBoxWebServiceUrl.Text);
                }
                else
                {
                    // Create a PDF document with the selected standard and color space
                    if (radioButtonUseTcpService.Checked)
                        pdfDocument = new Document(serverIP, serverPort, pdfStandard, pdfColorSpace);
                    else
                        pdfDocument = new Document(true, textBoxWebServiceUrl.Text, pdfStandard, pdfColorSpace);
                }

                // 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=";

                // Get the selected PDF page size
                PdfPageSize pdfPageSize = SelectedPdfPageSize();

                // Get the selected PDF page orientation
                PdfPageOrientation pdfPageOrientation = SelectedPdfPageOrientation();

                // Get the PDF page margins
                PdfMargins pdfPageMargins = new PdfMargins(float.Parse(leftMarginTextBox.Text), float.Parse(rightMarginTextBox.Text),
                        float.Parse(topMarginTextBox.Text), float.Parse(bottomMarginTextBox.Text));

                // Create a PDF page in PDF document
                PdfPage firstPdfPage = pdfDocument.AddPage(pdfPageSize, pdfPageMargins, pdfPageOrientation);

                // The URL of the HTML page to convert to PDF
                string urlToConvert = "http://www.evopdf.com";

                // Create the HTML to PDF element
                HtmlToPdfElement htmlToPdfElement = new HtmlToPdfElement(urlToConvert);

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

                // Add the HTML to PDF element to PDF document
                firstPdfPage.AddElement(htmlToPdfElement);

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

                // 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=Create_PDF_Documents.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();
            }

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

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

                    Master.CollapseAll();
                    Master.ExpandNode("PDF_Creator");
                    Master.SelectNode("Create_PDF_Documents");
                }
            }

            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;
                }
            }
        }
    }