ByteScout PDF Extractor SDK - ASP.NET C# - ZUGFeRD Invoice Extraction - ByteScout

ByteScout PDF Extractor SDK – ASP.NET C# – ZUGFeRD Invoice Extraction

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zugferd invoice extraction in ASP.NET C# and ByteScout PDF Extractor SDK

How To: tutorial on zugferd invoice extraction in ASP.NET C#

On this page you will learn from code samples for programming in ASP.NET C#. ByteScout PDF Extractor SDK helps with zugferd invoice extraction in ASP.NET C#. ByteScout PDF Extractor SDK is the Software Development Kit (SDK) that is designed to help developers with 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.

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 implement zugferd invoice extraction. This ASP.NET C# sample code should be copied and pasted into your application’s code editor. Then just compile and run it to see how it works. Enjoy writing a code with ready-to-use sample ASP.NET C# codes to implement zugferd invoice extraction using ByteScout PDF Extractor SDK.

Trial version can be downloaded from our website. Source code samples for ASP.NET C# and documentation are included.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ZUGFeRDInvoiceExtraction._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; using Bytescout.PDFExtractor; namespace ZUGFeRDInvoiceExtraction { 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\ZUGFeRD-invoice.pdf"); // Create Bytescout.PDFExtractor.AttachmentExtractor instance AttachmentExtractor extractor = new AttachmentExtractor(); extractor.RegistrationName = "demo"; extractor.RegistrationKey = "demo"; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); Response.Clear(); Response.ContentType = "text/html"; Response.Write("<html><body>\r\n"); // Display attached ZUGFeRD XML data for (int i = 0; i < extractor.Count; i++) { Response.Write("ZUGFeRD XML invoice attachment: " + extractor.GetFileName(i) + "<br/>"); MemoryStream mem = new MemoryStream(); Response.Write("File size: " + extractor.GetSize(i) + "<br/>"); // You can save the file into temp folder or save to stream to avoid temp files //extractor.Save(i, extractor.GetFileName(i)); extractor.SaveToStream(i, mem); mem.Position = 0; // reset the stream position StreamReader sreader = new StreamReader(mem); string zugferdXmlData = sreader.ReadToEnd(); // XML content Response.Write("<textarea rows='20' cols='80'>" + HttpUtility.HtmlEncode(zugferdXmlData) + "</textarea>"); } Response.Write("\r\n</body></html>"); 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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