ByteScout PDF Extractor SDK – VB.NET – Extract Filled PDF Form Data

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ByteScout PDF Extractor SDK – VB.NET – Extract Filled PDF Form Data

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ByteScout-PDF-Extractor-SDK-VB-NET-Extract-Filled-PDF-Form-Data.pdf

How to extract filled PDF form data in VB.NET using ByteScout PDF Extractor SDK

How to extract filled PDF form data in VB.NET

Learn how to extract filled PDF form data in VB.NET with this source code sample. 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 and you can use it to extract filled PDF form data with VB.NET.

VB.NET code samples for VB.NET developers help to speed up coding of your application when using ByteScout PDF Extractor SDK. Just copy and paste the code into your VB.NET application’s code and follow the instruction. Use of ByteScout PDF Extractor SDK in VB.NET is also explained in the documentation included along with the product.

Trial version of ByteScout PDF Extractor SDK can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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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