Important Update
Every ByteScout tool includes sampleVB.NET source codes that you can find here or in the folder with installed ByteScout product. ByteScout Cloud API Server helps with PDF to JSON API in VB.NET. ByteScout Cloud API Server is the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using buil-in ByteScout powered engine, no cloud services are used to process your data!.
VB.NET code snippet like this for ByteScout Cloud API Server works best when you need to quickly implement PDF to JSON API in your VB.NET application. If you want to know how it works, then this VB.NET sample code should be copied and pasted into your application’s code editor. Then just compile and run it. Updated and detailed documentation and tutorials are available along with installed ByteScout Cloud API Server if you’d like to learn more about the topic and the details of the API.
ByteScout Cloud API Server free trial version is available for download from our website. Free trial also includes programming tutorials along with source code samples.
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Imports System.IO
Imports System.Net
Imports Newtonsoft.Json.Linq
' Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost".
' If it's not then please replace this with with your hosting url.
Module Module1
' Direct URL of source PDF file.
Const SourceFileUrl As String = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-json/sample.pdf"
' Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages as String = ""
' PDF document password. Leave empty for unprotected documents.
const Password As string = ""
' Destination JSON file name
const DestinationFile as string = ".\result.json"
' Sample profile that sets advanced conversion options
' Advanced options are properties of JSONExtractor class from ByteScout JSON Extractor SDK used in the back-end:
' https//cdn.bytescout.com/help/BytescoutPDFExtractorSDK/html/84356d44-6249-3251-2da8-83c1f34a2f39.htm
ReadOnly Profiles = File.ReadAllText("profile.json")
Sub Main()
' Create standard .NET web client instance
Dim webClient As WebClient = New WebClient()
' Prepare URL for `PDF To JSON` API call
Dim query As String = Uri.EscapeUriString(String.Format(
"https://localhost/pdf/convert/to/json?name={0}&password={1}&pages={2}&url={3}&profiles={4}",
Path.GetFileName(DestinationFile),
Password,
Pages,
SourceFileUrl,
Profiles))
Try
' Execute request
Dim response As String = webClient.DownloadString(query)
' Parse JSON response
Dim json As JObject = JObject.Parse(response)
If json("error").ToObject(Of Boolean) = False Then
' Get URL of generated JSON file
Dim resultFileUrl As String = json("url").ToString()
' Download JSON file
webClient.DownloadFile(resultFileUrl, DestinationFile)
Console.WriteLine("Generated JSON file saved as ""{0}"" file.", DestinationFile)
Else
Console.WriteLine(json("message").ToString())
End If
Catch ex As WebException
Console.WriteLine(ex.ToString())
End Try
webClient.Dispose()
Console.WriteLine()
Console.WriteLine("Press any key...")
Console.ReadKey()
End Sub
End Module
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<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" />
</packages>
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples