Important Update
The easy to understand coding guides help you check the features without any need to write your own code. HTML to PDF API in C# can be applied with ByteScout Cloud API Server. ByteScout Cloud API Server is API server that is ready to use and can be installed and deployed in less than 30 minutes on your own Windows server or server in a cloud. It can save data and files on your local server-based file storage or in Amazon AWS S3 storage. Data is processed solely on the API server and is powered by ByteScout engine, no cloud services or Internet connection is required for data processing..
This simple and easy to understand sample source code in C# for ByteScout Cloud API Server contains different functions and options you should do calling the API to implement HTML to PDF API. This C# sample code can be used by copying and pasting into your project. Once done,just compile your project and click Run. This basic programming language sample code for C# will do the whole work for you in implementing HTML 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 C# and other programming languages are available.
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using System;
using System.IO;
using System.Net;
using Newtonsoft.Json.Linq;
using System.Threading;
// 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.
// Cloud API asynchronous "Web Page to PDF" job example.
// Allows to avoid timeout errors when processing heavy web pages.
namespace ByteScoutWebApiExample
{
class Program
{
// URL of web page to convert to PDF document.
const string SourceUrl = "http://en.wikipedia.org/wiki/Main_Page";
// Destination PDF file name
const string DestinationFile = @".\result.pdf";
// (!) Make asynchronous job
const bool Async = true;
static void Main(string[] args)
{
// Create standard .NET web client instance
WebClient webClient = new WebClient();
// Prepare URL for `Web Page to PDF` API call
string query = Uri.EscapeUriString(string.Format(
"https://localhost/pdf/convert/from/url?name={0}&url={1}&async={2}",
Path.GetFileName(DestinationFile),
SourceUrl,
Async));
try
{
// Execute request
string response = webClient.DownloadString(query);
// Parse JSON response
JObject json = JObject.Parse(response);
if (json["error"].ToObject<bool>() == false)
{
// Asynchronous job ID
string jobId = json["jobId"].ToString();
// URL of generated PDF file that will available after the job completion
string resultFileUrl = json["url"].ToString();
// Check the job status in a loop.
// If you don't want to pause the main thread you can rework the code
// to use a separate thread for the status checking and completion.
do
{
string status = CheckJobStatus(jobId); // Possible statuses: "working", "failed", "aborted", "success".
// Display timestamp and status (for demo purposes)
Console.WriteLine(DateTime.Now.ToLongTimeString() + ": " + status);
if (status == "success")
{
// Download PDF file
webClient.DownloadFile(resultFileUrl, DestinationFile);
Console.WriteLine("Generated PDF file saved as \"{0}\" file.", DestinationFile);
break;
}
else if (status == "working")
{
// Pause for a few seconds
Thread.Sleep(3000);
}
else
{
Console.WriteLine(status);
break;
}
}
while (true);
}
else
{
Console.WriteLine(json["message"].ToString());
}
}
catch (WebException e)
{
Console.WriteLine(e.ToString());
}
webClient.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key...");
Console.ReadKey();
}
static string CheckJobStatus(string jobId)
{
using (WebClient webClient = new WebClient())
{
string url = "https://localhost/job/check?jobid=" + jobId;
string response = webClient.DownloadString(url);
JObject json = JObject.Parse(response);
return Convert.ToString(json["status"]);
}
}
}
}
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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