ByteScout Premium Suite – C# – Read Values from PDF Form Fields with PDF Extractor SDK

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ByteScout Premium Suite – C# – Read Values from PDF Form Fields with PDF Extractor SDK

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How to read values from PDF form fields with PDF extractor SDK in C# using ByteScout Premium Suite

Learning is essential in computer world and the tutorial below will demonstrate how to read values from PDF form fields with PDF extractor SDK in C#

The code displayed below will guide you to install an C# app to read values from PDF form fields with PDF extractor SDK. What is ByteScout Premium Suite? It is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can help you to read values from PDF form fields with PDF extractor SDK in your C# application.

Want to save time? You will save a lot of time on writing and testing code as you may just take the C# code from ByteScout Premium Suite for read values from PDF form fields with PDF extractor SDK below and use it in your application. This C# 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! Use of ByteScout Premium Suite in C# is also described in the documentation included along with the product.

The trial version of ByteScout Premium Suite can be downloaded for free from our website. It also includes source code samples for C# and other programming languages.

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Program.cs

      using System;
using System.Xml;
using Bytescout.PDFExtractor;

namespace ReadValuesFromFormFields
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // Create XMLExtractor interface
                using (XMLExtractor extractor = new XMLExtractor("demo", "demo"))
                {
                    // Load Sample PDF document
                    extractor.LoadDocumentFromFile("filled_form.pdf");

                    // Get PDF document text as XML
                    string xmlText = extractor.GetXML();

                    // Load XML
                    XmlDocument xmlDocument = new XmlDocument();
                    xmlDocument.LoadXml(xmlText);

                    // Select all "control" nodes
                    XmlNodeList formControls = xmlDocument.SelectNodes("//control");

                    if (formControls != null)
                    {
                        foreach (XmlNode formControl in formControls)
                        {
                            XmlAttribute typeAttribute = formControl.Attributes["type"];

                            // Get filled textboxes
                            if (typeAttribute.Value == "editbox")
                            {
                                if (!string.IsNullOrEmpty(formControl.InnerText))
                                {
                                    Console.WriteLine("EDITBOX " + formControl.Attributes["id"].Value + ": " + formControl.InnerText);
                                }
                            }
                            // Get checked checkboxes
                            else if (typeAttribute.Value == "checkbox")
                            {
                                if (formControl.Attributes["state"].Value == "1")
                                {
                                    Console.WriteLine("CHECKBOX " + formControl.Attributes["id"].Value + ": " + formControl.Attributes["state"].Value);
                                }
                            }

                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            Console.WriteLine();
            Console.WriteLine("Press any key to exit...");
            Console.ReadLine();
        }
    }
}