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

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

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

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.

All these programming tutorials along with source code samples and ByteScout free trial version are available for download from our website.

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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