ByteScout PDF Suite - ASP.NET - Extract Text From Page Area in PDF with PDF Extractor SDK - ByteScout

ByteScout PDF Suite – ASP.NET – Extract Text From Page Area in PDF with PDF Extractor SDK

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How to extract text from page area in PDF with PDF extractor SDK in ASP.NET and ByteScout PDF Suite

Continuous learning is a crucial part of computer science and this tutorial shows how to extract text from page area in PDF with PDF extractor SDK in ASP.NET

Every ByteScout tool includes simple example ASP.NET source codes that you can get here or in the folder with installed ByteScout product. ByteScout PDF Suite can extract text from page area in PDF with PDF extractor SDK. It can be applied from ASP.NET. 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.

The following code snippet for ByteScout PDF Suite works best when you need to quickly extract text from page area in PDF with PDF extractor SDK in your ASP.NET application. This ASP.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! This basic programming language sample code for ASP.NET will do the whole work for you to extract text from page area in PDF with PDF extractor SDK.

You can download free trial version of ByteScout PDF Suite from our website with this and other source code samples for ASP.NET.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ExtractTextFromPageArea._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.Drawing; using Bytescout.PDFExtractor; namespace ExtractTextFromPageArea { /* 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 */ public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { String inputFile = Server.MapPath(@".\bin\columns.pdf"); // Create Bytescout.PDFExtractor.TextExtractor instance TextExtractor extractor = new TextExtractor(); extractor.RegistrationName = "demo"; extractor.RegistrationKey = "demo"; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); // Get dimensions of the first document page RectangleF rectangle = extractor.GetPageRectangle(0); // Get text from the 1/3 of the page rectangle.Width = rectangle.Width / 3f; Response.Clear(); Response.ContentType = "text/html"; extractor.SetExtractionArea(rectangle); Response.Write("<pre>"); // Save extracted text to output stream extractor.SavePageTextToStream(0, Response.OutputStream); Response.Write("</pre>"); Response.End(); } } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:2.0.50727.4952 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace ExtractAllText { /// <summary> /// _Default class. /// </summary> /// <remarks> /// Auto-generated class. /// </remarks> public partial class _Default { /// <summary> /// form1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::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" /> <!-- 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> --> </system.web> </configuration>

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