    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.PDF_Actions
    {
        public partial class Go_To_Page_Open_Action : 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 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 page to PDF document
                PdfPage pdfPage = pdfDocument.AddPage();

                // Create a HTML to PDF element to add to document
                HtmlToPdfElement htmlToPdfElement = new HtmlToPdfElement(urlTextBox.Text);

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

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

                int goToPageNumber = int.Parse(pageNumberTextBox.Text);

                // Get destination PDF page
                PdfPage goToPage = pdfDocument.GetPage(goToPageNumber - 1);

                // Get the destination point in PDF page
                float goToX = float.Parse(xLocationTextBox.Text);
                float goToY = float.Parse(yLocationTextBox.Text);

                PointFloat goToLocation = new PointFloat(goToX, goToY);

                // Get the destination view mode
                DestinationViewMode viewMode = SelectedViewMode();

                // Create the destination in PDF document
                ExplicitDestination goToDestination = new ExplicitDestination(goToPage, goToLocation, viewMode);

                // Set the zoom level when the destination is displayed
                if (viewMode == DestinationViewMode.XYZ)
                    goToDestination.ZoomPercentage = int.Parse(zoomLevelTextBox.Text);

                // Set the document Go To open action
                pdfDocument.OpenAction = new PdfActionGoTo(goToDestination);

                // 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=Go_To_Page_Open_Action.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 DestinationViewMode SelectedViewMode()
            {
                switch (viewModeComboBox.SelectedValue)
                {
                    case "X, Y and Zoom":
                        return DestinationViewMode.XYZ;
                    case "Fit Window":
                        return DestinationViewMode.Fit;
                    case "Fit Horizontally":
                        return DestinationViewMode.FitH;
                    case "Fit Vertically":
                        return DestinationViewMode.FitV;
                    default:
                        return DestinationViewMode.XYZ;
                }
            }

            protected void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    viewModeComboBox.SelectedValue = "X, Y and Zoom";

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

                    Master.CollapseAll();
                    Master.ExpandNode("PDF_Creator");
                    Master.ExpandNode("PDF_Creator_PDF_Actions");
                    Master.SelectNode("PDF_Creator_Go_To_Page_Open_Action");
                }
            }

            protected void viewModeComboBox_SelectedIndexChanged(object sender, EventArgs e)
            {
                zoomLevelPanel.Visible = SelectedViewMode() == DestinationViewMode.XYZ;
            }

            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;
                }
            }
        }
    }