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

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

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

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

The documentation is written to assist you to apply all the necessary features on your side. ByteScout Cloud API Server was designed to assist DOC to PDF 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!.

If you want to speed up the application’s code writing then VB.NET code samples for VB.NET developers help to implement using ByteScout Cloud API Server. Follow the tutorial and copy – paste code for VB.NET into your project’s code editor. This basic programming language sample code for VB.NET will do the whole work for you in implementing DOC to PDF API in your app.

Trial version of ByteScout is available for free download from our website. This and other source code samples for VB.NET and other programming languages are available.

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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 DOC or DOCX file const SourceFile as string = ".\sample.docx" ' Destination PDF file name const DestinationFile as string = ".\result.pdf" 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 a 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 CSV FILE TO PDF ' Prepare URL for `DOC To PDF` API call query = Uri.EscapeUriString(String.Format( "https://localhost/pdf/convert/from/doc?name={0}&url={1}", Path.GetFileName(DestinationFile), 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 PDF file Dim resultFileUrl As string = json("url").ToString() ' Download PDF file webClient.DownloadFile(resultFileUrl, DestinationFile) Console.WriteLine("Generated PDF 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

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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

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