ByteScout Cloud API Server - PDF To HTML API - VB.NET - Convert PDF To HTML From Uploaded File - ByteScout

ByteScout Cloud API Server – PDF To HTML API – VB.NET – Convert PDF To HTML From Uploaded File

  • Home
  • /
  • Articles
  • /
  • ByteScout Cloud API Server – PDF To HTML API – VB.NET – Convert PDF To HTML From Uploaded File

How to convert PDF to HTML from uploaded file for PDF to HTML API in VB.NET using ByteScout Cloud API Server

How to convert PDF to HTML from uploaded file in VB.NET with easy ByteScout code samples to make PDF to HTML API. Step-by-step tutorial

We regularly create and update our sample code library so you may quickly learn PDF to HTML API and the step-by-step process in VB.NET. ByteScout Cloud API Server helps with PDF to HTML API in VB.NET. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) 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 built-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 HTML API in your VB.NET application. For implementation of this functionality, please copy and paste the code below into your app using code editor. Then compile and run your app. Use of ByteScout Cloud API Server in VB.NET is also described in the documentation given along with the product.

ByteScout Cloud API Server – free trial version is available on our website. Also, there are other code samples to help you with your VB.NET application included into trial version.

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 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 ' Source PDF file const SourceFile as String = ".\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 HTML file name const DestinationFile as String = ".\result.html" ' Set to `true` to get simplified HTML without CSS. Default is the rich HTML keeping the document design. const PlainHtml as Boolean = False ' Set to `true` if your document has the column layout like a newspaper. const ColumnLayout as Boolean = False Sub Main() ' Create standard .NET web client instance Dim webClient As WebClient = New WebClient() ' 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE. ' * If you already have the direct file URL, skip to the step 3. ' Prepare URL for `Get Presigned URL` API call Dim query As string = Uri.EscapeUriString(string.Format( "https://localhost/file/upload/get-presigned-url?contenttype=application/octet-stream&name={0}", Path.GetFileName(SourceFile))) 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 to use for the file upload Dim uploadUrl As string = json("presignedUrl").ToString() ' Get URL of uploaded file to use with later API calls Dim uploadedFileUrl As string = json("url").ToString() ' 2. UPLOAD THE FILE TO CLOUD. webClient.Headers.Add("content-type", "application/octet-stream") webClient.UploadFile(uploadUrl, "PUT", SourceFile) ' You can use UploadData() instead if your file is byte array or Stream ' 3. CONVERT UPLOADED PDF FILE TO HTML ' Prepare URL for `PDF To HTML` API call query = Uri.EscapeUriString(String.Format( "https://localhost/pdf/convert/to/html?name={0}&password={1}&pages={2}&simple={3}&columns={4}&url={5}", Path.GetFileName(DestinationFile), Password, Pages, PlainHtml, ColumnLayout, uploadedFileUrl)) ' Execute request response = webClient.DownloadString(query) ' Parse JSON response json = JObject.Parse(response) If json("error").ToObject(Of Boolean) = False Then ' Get URL of generated HTML file Dim resultFileUrl As string = json("url").ToString() ' Download HTML file webClient.DownloadFile(resultFileUrl, DestinationFile) Console.WriteLine("Generated HTML file saved as ""{0}"" file.", DestinationFile) Else Console.WriteLine(json("message").ToString()) End If 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

ON-PREMISE OFFLINE SDK

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

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

packages.config
      
<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" /> </packages>

ON-PREMISE OFFLINE SDK

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

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

VIDEO

ON-PREMISE OFFLINE SDK

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

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

Tutorials:

prev
next