ByteScout PDF Extractor SDK - ASP.NET C# - Extract Text By Columns from PDF - ByteScout

ByteScout PDF Extractor SDK – ASP.NET C# – Extract Text By Columns from PDF

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How to extract text by columns from PDF in ASP.NET C# and ByteScout PDF Extractor SDK

This code in ASP.NET C# shows how to extract text by columns from PDF with this how to tutorial

This sample source code below will demonstrate you how to extract text by columns from PDF in ASP.NET C#. ByteScout PDF Extractor SDK: the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction. It can extract text by columns from PDF in ASP.NET C#.

Fast application programming interfaces of ByteScout PDF Extractor SDK for ASP.NET C# plus the instruction and the code below will help you quickly learn how to extract text by columns from PDF. Follow the instructions from the scratch to work and copy the ASP.NET C# code. Enjoy writing a code with ready-to-use sample ASP.NET C# codes.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ExtractTextByColumns._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 ExtractTextByColumns { /* 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"; // Extract text by columns (useful if PDF document is designed in column layout like a newspaper) extractor.ExtractColumnByColumn = true; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); Response.Clear(); Response.ContentType = "text/html"; Response.Write("<pre>"); // Save extracted text to output stream extractor.SaveTextToStream(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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VIDEO

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