ByteScout PDF Extractor SDK - ASP.NET C# - Get PDF Document Information - ByteScout

ByteScout PDF Extractor SDK – ASP.NET C# – Get PDF Document Information

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How to get PDF document information in ASP.NET C# using ByteScout PDF Extractor SDK

How to get PDF document information in ASP.NET C#

The sample shows steps and algorithm of how to get PDF document information and how to make it work in your ASP.NET C# application. Want to get PDF document information in your ASP.NET C# app? ByteScout PDF Extractor SDK is designed for it. ByteScout PDF Extractor SDK is the SDK is designed to help developers with pdf tables and pdf data extraction from unstructured documents like pdf, tiff, scans, images, scanned and electronic forms. The library is powered by OCR, computer vision and AI to provide unique functionality like table detection, automatic table structure extraction, data restoration, data restructuring and reconstruction. Supports PDF, TIFF, PNG, JPG images as input and can output CSV, XML, JSON formatted data. Includes full set of utilities like pdf splitter, pdf merger, searchable pdf maker and other utilities.

This rich sample source code in ASP.NET C# for ByteScout PDF Extractor SDK includes the number of functions and options you should do calling the API to get PDF document information. Follow the instructions from the scratch to work and copy the ASP.NET C# code. This basic programming language sample code for ASP.NET C# will do the whole work for you to get PDF document information.

ByteScout free trial version is available for download from our website. It includes all these programming tutorials along with source code samples.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ExtractInfo._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 Bytescout.PDFExtractor; namespace ExtractInfo { 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) { // This test file will be copied to the project directory on the pre-build event (see the project properties). String inputFile = Server.MapPath(@".\bin\sample1.pdf"); // Create Bytescout.PDFExtractor.InfoExtractor instance InfoExtractor extractor = new InfoExtractor(); extractor.RegistrationName = "demo"; extractor.RegistrationKey = "demo"; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); // Display document information Response.Clear(); Response.ContentType = "text/html"; Response.Write("Author: " + extractor.Author + "<br/>"); Response.Write("Creator: " + extractor.Creator + "<br/>"); Response.Write("Producer: " + extractor.Producer + "<br/>"); Response.Write("Subject: " + extractor.Subject + "<br/>"); Response.Write("Title: " + extractor.Title + "<br/>"); Response.Write("CreationDate: " + extractor.CreationDate + "<br/>"); Response.Write("Keywords: " + extractor.Keywords + "<br/>"); Response.Write("Bookmarks: " + extractor.Bookmarks + "<br/>"); Response.Write("Encrypted: " + extractor.Encrypted + "<br/>"); 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 ExtractInfo { /// <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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