Important Update
These source code samples are listed and grouped by their programming language and functions they use. ByteScout Cloud API Server was designed to assist HTML to PDF API in C#. 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..
Want to learn quickly? These fast application programming interfaces of ByteScout Cloud API Server for C# plus the instruction and the code below will help to learn how to generate PDF invoice from HTML template. This sample code in C# is all you need. Just copy-paste it to the code editor, then add a reference to ByteScout Cloud API Server and you are ready to try it! You can use these C# sample examples in one or many applications.
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using System;
using System.IO;
using System.Net;
using 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.
namespace ByteScoutWebApiExample
{
class Program
{
static void Main(string[] args)
{
// HTML template
string template = File.ReadAllText(@".\invoice_template.html");
// Data to fill the template
string templateData = File.ReadAllText(@".\invoice_data.json");
// Destination PDF file name
string destinationFile = @".\result.pdf";
// Create standard .NET web client instance
WebClient webClient = new WebClient();
try
{
// Prepare URL for `HTML to PDF` API call
string request = Uri.EscapeUriString(string.Format(
"https://localhost/pdf/convert/from/html?name={0}",
Path.GetFileName(destinationFile)));
// Prepare request body in JSON format
JObject jsonObject = new JObject(
new JProperty("html", template),
new JProperty("templateData", templateData));
webClient.Headers.Add("Content-Type", "application/json");
// Execute request
string response = webClient.UploadString(request, jsonObject.ToString());
// Parse JSON response
JObject json = JObject.Parse(response);
if (json["error"].ToObject<bool>() == false)
{
// Get URL of generated PDF file
string resultFileUrl = json["url"].ToString();
webClient.Headers.Remove("Content-Type"); // remove the header required for only the previous request
// Download the PDF file
webClient.DownloadFile(resultFileUrl, destinationFile);
Console.WriteLine("Generated PDF document saved as \"{0}\" file.", destinationFile);
}
else
{
Console.WriteLine(json["message"].ToString());
}
}
catch (WebException e)
{
Console.WriteLine(e.ToString());
}
webClient.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
}
}
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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