ByteScout PDF Suite - ASP.NET - Make PDF Unsearchable with PDF Extractor SDK - ByteScout

ByteScout PDF Suite – ASP.NET – Make PDF Unsearchable with PDF Extractor SDK

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How to make PDF unsearchable with PDF extractor SDK in ASP.NET using ByteScout PDF Suite

Learning is essential in computer world and the tutorial below will demonstrate how to make PDF unsearchable with PDF extractor SDK in ASP.NET

Source code documentation samples give simple and easy method to install a needed feature into your application. ByteScout PDF Suite is the set that includes 6 SDK products to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can make PDF unsearchable with PDF extractor SDK in ASP.NET.

Want to quickly learn? This fast application programming interfaces of ByteScout PDF Suite for ASP.NET plus the guidelines and the code below will help you quickly learn how to make PDF unsearchable with PDF extractor SDK. Follow the instructions from scratch to work and copy the ASP.NET code. Check ASP.NET sample code samples to see if they respond to your needs and requirements for the project.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="MakePDFUnsearchable._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> </div> </form> </body> </html>

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Default.aspx.cs
      
using System; using System.IO; using System.Web.UI; using Bytescout.PDFExtractor; namespace MakePDFUnsearchable { public partial class _Default : System.Web.UI.Page { /* IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: Temporary folder access is required for web application when you use ByteScout SDK in it. If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. SOLUTION: If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". In this case - check the User or User Group your web application is running under - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) - restart your web application and try again */ protected void Page_Load(object sender, EventArgs e) { String inputFile = Server.MapPath(@".\bin\sample1.pdf"); // Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker(); unsearchablePDFMaker.RegistrationName = "demo"; unsearchablePDFMaker.RegistrationKey = "demo"; // Load sample PDF document unsearchablePDFMaker.LoadDocumentFromFile(inputFile); // Set PDF rendering resolution to 150 DPI. Higher value - better quality, but larger output file. unsearchablePDFMaker.RenderingResolution = 150; // Set embedded images format unsearchablePDFMaker.ImageFormat = EmbeddedImageFormat.PNG; Response.Clear(); Response.ContentType = "application/pdf"; Response.AddHeader("Content-Disposition", "attachment;filename=result.pdf"); // Process document and write result to temporary stream. byte[] resultBytes; using (MemoryStream tempStream = new MemoryStream()) { unsearchablePDFMaker.MakePDFUnsearchable(tempStream); resultBytes = tempStream.ToArray(); } // Write result bytes to the output stream Response.BinaryWrite(resultBytes); Response.End(); } } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:2.0.50727.42 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace MakeUnsearchablePDF { public partial class _Default { protected System.Web.UI.HtmlControls.HtmlForm form1; } }

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --> <compilation debug="true" targetFramework="4.0"/> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows"/> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"/> </system.web> </configuration>

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60 Day Free Trial or Visit ByteScout PDF Suite Home Page

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