ByteScout PDF Suite - VB.NET - Read values from form fields with pdf extractor sdk - ByteScout

ByteScout PDF Suite – VB.NET – Read values from form fields with pdf extractor sdk

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How to read values from form fields with pdf extractor sdk in VB.NET using ByteScout PDF Suite

If you want to learn more then this tutorial will show how to read values from form fields with pdf extractor sdk in VB.NET

These source code samples are assembled by their programming language and functions they apply. 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. It can read values from form fields with pdf extractor sdk in VB.NET.

The following code snippet for ByteScout PDF Suite works best when you need to quickly read values from form fields with pdf extractor sdk in your VB.NET application. IF you want to implement the functionality, just copy and paste this code for VB.NET below into your code editor with your app, compile and run your application. Want to see how it works with your data then code testing will allow the function to be tested and work properly.

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Program.vb
      
Imports System.Xml Imports Bytescout.PDFExtractor Module Program Sub Main() Try ' Create XMLExtractor interface Using extractor As New XMLExtractor("demo", "demo") ' Load Sample PDF document extractor.LoadDocumentFromFile("filled_form.pdf") ' Get PDF document text as XML Dim xmlText As String = extractor.GetXML ' Load XML Dim xmlDocument As XmlDocument = New XmlDocument xmlDocument.LoadXml(xmlText) ' Select all "control" nodes Dim formControls As XmlNodeList = xmlDocument.SelectNodes("//control") If (Not (formControls) Is Nothing) Then For Each formControl As XmlNode In formControls Dim typeAttribute As XmlAttribute = formControl.Attributes("type") ' Get filled textboxes If (typeAttribute.Value = "editbox") Then If Not String.IsNullOrEmpty(formControl.InnerText) Then Console.WriteLine(("EDITBOX " + (formControl.Attributes("id").Value + (": " + formControl.InnerText)))) End If End If ' Get checked checkboxes If (typeAttribute.Value = "checkbox") Then If (formControl.Attributes("state").Value = "1") Then Console.WriteLine(("CHECKBOX " _ + (formControl.Attributes("id").Value + (": " + formControl.Attributes("state").Value)))) End If End If Next End If End Using Catch ex As Exception Console.WriteLine(ex.Message) End Try Console.WriteLine() Console.WriteLine("Press any key to exit...") Console.ReadLine() End Sub End Module

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