ByteScout Premium Suite – VB.NET – Extract filled pdf form data with pdf extractor sdk

Home
/
Articles
/
ByteScout Premium Suite – VB.NET – Extract filled pdf form data with pdf extractor sdk

printable version:
ByteScout-Premium-Suite-VB-NET-Extract-filled-pdf-form-data-with-pdf-extractor-sdk.pdf

How to extract filled pdf form data with pdf extractor sdk in VB.NET using ByteScout Premium Suite

Learn to extract filled pdf form data with pdf extractor sdk in VB.NET

This sample source code below will display you how to extract filled pdf form data with pdf extractor sdk in VB.NET. ByteScout Premium Suite can extract filled pdf form data with pdf extractor sdk. It can be applied from VB.NET. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for VB.NET plus the guidelines and the code below will help you quickly learn how to extract filled pdf form data with pdf extractor sdk. This VB.NET 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! Further improvement of the code will make it more robust.

Trial version of ByteScout Premium Suite is available for free. Source code samples are included to help you with your VB.NET app.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Module1.vb

      Imports Bytescout.PDFExtractor
Imports System.Xml

Module Module1

    Sub Main()

        ' Create XMLExtractor instance
        Dim extractor As XMLExtractor = New XMLExtractor()
        extractor.RegistrationName = "demo"
        extractor.RegistrationKey = "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 (formControls IsNot Nothing) Then

            For Each formControl As XmlNode In formControls

                Dim typeAttribute = formControl.Attributes("type")

                If (typeAttribute.Value = "editbox") Then
                    ' Show filled textboxes
                    If (Not String.IsNullOrEmpty(formControl.InnerText)) Then
                        Console.WriteLine("EDITBOX " + formControl.Attributes("id").Value + ": " + formControl.InnerText)
                    End If
                ElseIf (typeAttribute.Value = "checkbox") Then
                    ' Show checked checkboxes
                    If (formControl.Attributes("state").Value = "1") Then
                        Console.WriteLine("CHECKBOX " + formControl.Attributes("id").Value + ": " + formControl.Attributes("state").Value)
                    End If
                End If

            Next formControl

        End If

        ' Cleanup
        extractor.Dispose()


        Console.WriteLine()
        Console.WriteLine("Press any key...")
        Console.ReadKey()

    End Sub

End Module