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

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

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ByteScout-Data-Extraction-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 with ByteScout Data Extraction Suite

Learn to code in VB.NET to read values from form fields with pdf extractor sdk with this step-by-step tutorial

Read values from form fields with pdf extractor sdk is simple to apply in VB.NET if you use these source codes below. ByteScout Data Extraction Suite can read values from form fields with pdf extractor sdk. It can be applied from VB.NET. ByteScout Data Extraction Suite is the set that includes 3 SDK products for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK.

Want to quickly learn? This fast application programming interfaces of ByteScout Data Extraction Suite for VB.NET plus the guidelines and the code below will help you quickly learn how to read values from form fields with pdf extractor sdk. 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. Enjoy writing a code with ready-to-use sample codes in VB.NET.

You can download free trial version of ByteScout Data Extraction Suite from our website with this and other source code samples for VB.NET.

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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