Comment convertir HTML en PDF en C# (Guide du développeur)

IronPdf.License.LicenseKey = "KEY";

IronPdf.License.LicenseKey = "KEY";

using IronPdf;

// Create the Chrome renderer
var renderer = new ChromePdfRenderer();

// Convert HTML string to PDF
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello IronPdf</h1>");

// Save the PDF
pdf.SaveAs("output.pdf");

using IronPdf;

// Create the Chrome renderer
var renderer = new ChromePdfRenderer();

// Convert HTML string to PDF
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello IronPdf</h1>");

// Save the PDF
pdf.SaveAs("output.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Convert HTML content with local image and CSS references
string html = @"
    <link rel='stylesheet' href='styles.css'>
    <img src='logo.png' alt='Company Logo'>
    <h1>Company Report</h1>
    <p>Annual report content...</p>";

// Set base path for resolving relative URLs in HTML to PDF conversion
var pdf = renderer.RenderHtmlAsPdf(html, @"C:\MyProject\Assets\");
pdf.SaveAs("report.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Convert HTML content with local image and CSS references
string html = @"
    <link rel='stylesheet' href='styles.css'>
    <img src='logo.png' alt='Company Logo'>
    <h1>Company Report</h1>
    <p>Annual report content...</p>";

// Set base path for resolving relative URLs in HTML to PDF conversion
var pdf = renderer.RenderHtmlAsPdf(html, @"C:\MyProject\Assets\");
pdf.SaveAs("report.pdf");

using IronPdf;

// Create a PDF from any existing web page
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");
pdf.SaveAs("wikipedia.pdf");

using IronPdf;

// Create a PDF from any existing web page
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");
pdf.SaveAs("wikipedia.pdf");

using IronPdf;
using IronPdf.Rendering;

// Initialize HTML to PDF converter
var renderer = new ChromePdfRenderer();

// Configure CSS media type for rendering specified URLs
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;

// Screen media type shows the entire web page as displayed on screen

using IronPdf;
using IronPdf.Rendering;

// Initialize HTML to PDF converter
var renderer = new ChromePdfRenderer();

// Configure CSS media type for rendering specified URLs
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;

// Screen media type shows the entire web page as displayed on screen

using IronPdf;

// Configure JavaScript rendering for dynamic HTML content to PDF
var renderer = new ChromePdfRenderer();

// Enable JavaScript execution during PDF generation
renderer.RenderingOptions.EnableJavaScript = true;

// WaitFor.RenderDelay pauses before capturing the HTML
renderer.RenderingOptions.WaitFor.RenderDelay(500); // milliseconds

using IronPdf;

// Configure JavaScript rendering for dynamic HTML content to PDF
var renderer = new ChromePdfRenderer();

// Enable JavaScript execution during PDF generation
renderer.RenderingOptions.EnableJavaScript = true;

// WaitFor.RenderDelay pauses before capturing the HTML
renderer.RenderingOptions.WaitFor.RenderDelay(500); // milliseconds

using IronPdf;

// Create renderer for JavaScript-heavy HTML
var renderer = new ChromePdfRenderer();

// Convert d3.js visualization web page to PDF
var pdf = renderer.RenderUrlAsPdf("https://observablehq.com/@d3/chord-diagram");

// Save the interactive chart as static PDF
pdf.SaveAs("chart.pdf");

using IronPdf;

// Create renderer for JavaScript-heavy HTML
var renderer = new ChromePdfRenderer();

// Convert d3.js visualization web page to PDF
var pdf = renderer.RenderUrlAsPdf("https://observablehq.com/@d3/chord-diagram");

// Save the interactive chart as static PDF
pdf.SaveAs("chart.pdf");

// Configure for optimal responsive design handling in HTML to PDF
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;

// Configure for optimal responsive design handling in HTML to PDF
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;

using IronPdf;

// Initialize ChromePdfRenderer for HTML file conversion
var renderer = new ChromePdfRenderer();

// Convert HTML file to PDF documents
// Preserves all relative paths and linked resources in HTML
var pdf = renderer.RenderHtmlFileAsPdf("Assets/TestInvoice1.html");

// Save the HTML file as PDF 
pdf.SaveAs("Invoice.pdf");

// All CSS, JavaScript, and images load correctly in the generated PDF

using IronPdf;

// Initialize ChromePdfRenderer for HTML file conversion
var renderer = new ChromePdfRenderer();

// Convert HTML file to PDF documents
// Preserves all relative paths and linked resources in HTML
var pdf = renderer.RenderHtmlFileAsPdf("Assets/TestInvoice1.html");

// Save the HTML file as PDF 
pdf.SaveAs("Invoice.pdf");

// All CSS, JavaScript, and images load correctly in the generated PDF

using IronPdf;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

public class ReportModel : PageModel
{
    public IActionResult OnGet()
    {
        var renderer = new ChromePdfRenderer();

        // Render a Razor Page directly to PDF
        PdfDocument pdf = renderer.RenderRazorToPdf(this);

        Response.Headers.Add("Content-Disposition", "inline");
        return new FileContentResult(pdf.BinaryData, "application/pdf");
    }
}

using IronPdf;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

public class ReportModel : PageModel
{
    public IActionResult OnGet()
    {
        var renderer = new ChromePdfRenderer();

        // Render a Razor Page directly to PDF
        PdfDocument pdf = renderer.RenderRazorToPdf(this);

        Response.Headers.Add("Content-Disposition", "inline");
        return new FileContentResult(pdf.BinaryData, "application/pdf");
    }
}

using IronPdf.Extensions.Mvc.Core;

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddControllersWithViews();

// Register the Razor view renderer for IronPDF
builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
builder.Services.AddSingleton<IRazorViewRenderer, RazorViewRenderer>();

using IronPdf.Extensions.Mvc.Core;

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddControllersWithViews();

// Register the Razor view renderer for IronPDF
builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
builder.Services.AddSingleton<IRazorViewRenderer, RazorViewRenderer>();

using IronPdf;
using IronPdf.Extensions.Mvc.Core;
using Microsoft.AspNetCore.Mvc;

public class ReportController : Controller
{
    private readonly IRazorViewRenderer _viewRenderService;

    // Inject the view renderer via constructor
    public ReportController(IRazorViewRenderer viewRenderService)
    {
        _viewRenderService = viewRenderService;
    }

    public IActionResult Download()
    {
        var reportModel = new { Title = "Quarterly Report", Total = 1250.00 };
        var renderer = new ChromePdfRenderer();

        // Render an MVC View with model data to PDF
        PdfDocument pdf = renderer.RenderRazorViewToPdf(
            _viewRenderService, "Views/Home/Report.cshtml", reportModel);

        Response.Headers.Add("Content-Disposition", "inline");
        return new FileContentResult(pdf.BinaryData, "application/pdf");
    }
}

using IronPdf;
using IronPdf.Extensions.Mvc.Core;
using Microsoft.AspNetCore.Mvc;

public class ReportController : Controller
{
    private readonly IRazorViewRenderer _viewRenderService;

    // Inject the view renderer via constructor
    public ReportController(IRazorViewRenderer viewRenderService)
    {
        _viewRenderService = viewRenderService;
    }

    public IActionResult Download()
    {
        var reportModel = new { Title = "Quarterly Report", Total = 1250.00 };
        var renderer = new ChromePdfRenderer();

        // Render an MVC View with model data to PDF
        PdfDocument pdf = renderer.RenderRazorViewToPdf(
            _viewRenderService, "Views/Home/Report.cshtml", reportModel);

        Response.Headers.Add("Content-Disposition", "inline");
        return new FileContentResult(pdf.BinaryData, "application/pdf");
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using IronPdf;

namespace AspxToPdfTutorial
{
    public partial class Invoice : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using IronPdf;

namespace AspxToPdfTutorial
{
    public partial class Invoice : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser);
        }
    }
}

using IronPdf.Extensions.Maui;

namespace mauiSample;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void PrintToPdf(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Apply HTML header
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<h1>Header</h1>",
        };

        // Render PDF from Maui Page
        PdfDocument pdf = renderer.RenderContentPageToPdf<MainPage, App>().Result;

        pdf.SaveAs(@"C:\Users\lyty1\Downloads\contentPageToPdf.pdf");
    }
}

using IronPdf.Extensions.Maui;

namespace mauiSample;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void PrintToPdf(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Apply HTML header
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<h1>Header</h1>",
        };

        // Render PDF from Maui Page
        PdfDocument pdf = renderer.RenderContentPageToPdf<MainPage, App>().Result;

        pdf.SaveAs(@"C:\Users\lyty1\Downloads\contentPageToPdf.pdf");
    }
}

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf");

@code {

    // Model to bind user input
    private InputHTMLModel _InputMsgModel = new InputHTMLModel();

    private async Task SubmitHTML()
    {
        // Set your IronPDF license key
        IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";

        // Create a renderer to convert HTML to PDF
        var render = new IronPdf.ChromePdfRenderer();

        // Render the HTML input into a PDF document
        var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);

        var fileName = "iron.pdf";

        // Create a stream reference for the PDF content
        using var streamRef = new DotNetStreamReference(stream: doc.Stream);

        // Invoke JavaScript function to download the PDF in the browser
        await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
    }

    public class InputHTMLModel
    {
        public string HTML { get; set; } = "My new message";
    }
}

@code {

    // Model to bind user input
    private InputHTMLModel _InputMsgModel = new InputHTMLModel();

    private async Task SubmitHTML()
    {
        // Set your IronPDF license key
        IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";

        // Create a renderer to convert HTML to PDF
        var render = new IronPdf.ChromePdfRenderer();

        // Render the HTML input into a PDF document
        var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);

        var fileName = "iron.pdf";

        // Create a stream reference for the PDF content
        using var streamRef = new DotNetStreamReference(stream: doc.Stream);

        // Invoke JavaScript function to download the PDF in the browser
        await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
    }

    public class InputHTMLModel
    {
        public string HTML { get; set; } = "My new message";
    }
}

[Parameter]
public IEnumerable<PersonInfo> persons { get; set; }
public Dictionary<string, object> Parameters { get; set; } = new Dictionary<string, object>();
 
protected override async Task OnInitializedAsync()
{
    persons = new List<PersonInfo>
    {
        new PersonInfo { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
        new PersonInfo { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
        new PersonInfo { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
}
private async void PrintToPdf()
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Apply text footer
    renderer.RenderingOptions.TextFooter = new TextHeaderFooter()
        {
            LeftText = "{date} - {time}",
            DrawDividerLine = true,
            RightText = "Page {page} of {total-pages}",
            Font = IronSoftware.Drawing.FontTypes.Arial,
            FontSize = 11
        };
 
    Parameters.Add("persons", persons);
 
    // Render razor component to PDF
    PdfDocument pdf = renderer.RenderRazorComponentToPdf<Person>(Parameters);
 
    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData);
}

[Parameter]
public IEnumerable<PersonInfo> persons { get; set; }
public Dictionary<string, object> Parameters { get; set; } = new Dictionary<string, object>();
 
protected override async Task OnInitializedAsync()
{
    persons = new List<PersonInfo>
    {
        new PersonInfo { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
        new PersonInfo { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
        new PersonInfo { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
}
private async void PrintToPdf()
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Apply text footer
    renderer.RenderingOptions.TextFooter = new TextHeaderFooter()
        {
            LeftText = "{date} - {time}",
            DrawDividerLine = true,
            RightText = "Page {page} of {total-pages}",
            Font = IronSoftware.Drawing.FontTypes.Arial,
            FontSize = 11
        };
 
    Parameters.Add("persons", persons);
 
    // Render razor component to PDF
    PdfDocument pdf = renderer.RenderRazorComponentToPdf<Person>(Parameters);
 
    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData);
}

using IronPdf.Razor.Pages;
 
public IActionResult OnPostAsync()
{
    persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
 
    ViewData["personList"] = persons;
 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Render Razor Page to PDF document
    PdfDocument pdf = renderer.RenderRazorToPdf(this);
 
    Response.Headers.Add("Content-Disposition", "inline");
 
    return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf");
}

using IronPdf.Razor.Pages;
 
public IActionResult OnPostAsync()
{
    persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
 
    ViewData["personList"] = persons;
 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Render Razor Page to PDF document
    PdfDocument pdf = renderer.RenderRazorToPdf(this);
 
    Response.Headers.Add("Content-Disposition", "inline");
 
    return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf");
}

public async Task<IActionResult> Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (_httpContextAccessor.HttpContext.Request.Method == HttpMethod.Post.Method)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render View to PDF document
        PdfDocument pdf = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // Output PDF document
        return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf");
    }
    return View(persons);
}

public async Task<IActionResult> Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (_httpContextAccessor.HttpContext.Request.Method == HttpMethod.Post.Method)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render View to PDF document
        PdfDocument pdf = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // Output PDF document
        return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf");
    }
    return View(persons);
}

public ActionResult Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (HttpContext.Request.HttpMethod == "POST")
    {
        // Provide the path to your view file
        var viewPath = "~/Views/Home/Persons.cshtml";
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render Razor view to PDF document
        PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // View the PDF
        return File(pdf.BinaryData, "application/pdf");
    }
    return View(persons);
}

public ActionResult Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (HttpContext.Request.HttpMethod == "POST")
    {
        // Provide the path to your view file
        var viewPath = "~/Views/Home/Persons.cshtml";
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render Razor view to PDF document
        PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // View the PDF
        return File(pdf.BinaryData, "application/pdf");
    }
    return View(persons);
}

app.MapGet("/PrintPdf", async () =>
{
    // Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
    
    // Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All;

    // Render the Razor view to an HTML string
    string html = await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml");

    // Create a new instance of ChromePdfRenderer 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
   
    // Render the HTML string as a PDF document
    PdfDocument pdf = renderer.RenderHtmlAsPdf(html, "./wwwroot");

    // Return the PDF file as a response
    return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf");
});

app.MapGet("/PrintPdf", async () =>
{
    // Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
    
    // Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All;

    // Render the Razor view to an HTML string
    string html = await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml");

    // Create a new instance of ChromePdfRenderer 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
   
    // Render the HTML string as a PDF document
    PdfDocument pdf = renderer.RenderHtmlAsPdf(html, "./wwwroot");

    // Return the PDF file as a response
    return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf");
});

using IronPdf;
using IronPdf.Rendering;

var renderer = new ChromePdfRenderer();

// Apply print-specific CSS rules
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;

// Set custom margins in millimeters
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;

// Enable background colors and images
renderer.RenderingOptions.PrintHtmlBackgrounds = true;

// Set paper size and orientation
renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
renderer.RenderingOptions.PaperOrientation = PdfPaperOrientation.Landscape;

// Generate PDFs with all settings applied to HTML content
var htmlContent = "<div style='background-color: #f0f0f0; padding: 20px;'><h1>Styled Content</h1></div>";
var pdfDocument = renderer.RenderHtmlAsPdf(htmlContent);
pdfDocument.SaveAs("styled-output.pdf");

using IronPdf;
using IronPdf.Rendering;

var renderer = new ChromePdfRenderer();

// Apply print-specific CSS rules
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;

// Set custom margins in millimeters
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;

// Enable background colors and images
renderer.RenderingOptions.PrintHtmlBackgrounds = true;

// Set paper size and orientation
renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
renderer.RenderingOptions.PaperOrientation = PdfPaperOrientation.Landscape;

// Generate PDFs with all settings applied to HTML content
var htmlContent = "<div style='background-color: #f0f0f0; padding: 20px;'><h1>Styled Content</h1></div>";
var pdfDocument = renderer.RenderHtmlAsPdf(htmlContent);
pdfDocument.SaveAs("styled-output.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Network authentication (Basic, Digest, NTLM)
renderer.LoginCredentials = new ChromeHttpLoginCredentials
{
    NetworkUsername = "user@domain.com",
    NetworkPassword = "securePassword"
};

// Session cookies for authenticated pages
renderer.RenderingOptions.CustomCookies["sessionId"] = "abc123";

// Custom HTTP headers (e.g., Bearer tokens, API keys)
renderer.RenderingOptions.CustomHttpRequestHeaders["Authorization"] = "Bearer eyJhbGciOi...";

var pdf = renderer.RenderUrlAsPdf("https://intranet.com/pany.com/quarterly-report");
pdf.SaveAs("quarterly-report.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Network authentication (Basic, Digest, NTLM)
renderer.LoginCredentials = new ChromeHttpLoginCredentials
{
    NetworkUsername = "user@domain.com",
    NetworkPassword = "securePassword"
};

// Session cookies for authenticated pages
renderer.RenderingOptions.CustomCookies["sessionId"] = "abc123";

// Custom HTTP headers (e.g., Bearer tokens, API keys)
renderer.RenderingOptions.CustomHttpRequestHeaders["Authorization"] = "Bearer eyJhbGciOi...";

var pdf = renderer.RenderUrlAsPdf("https://intranet.com/pany.com/quarterly-report");
pdf.SaveAs("quarterly-report.pdf");

// Simple HTML templating with String.Format
string htmlTemplate = String.Format("<h1>Hello {0}!</h1>", "World");

// Results in HTML content: <h1>Hello World!</h1>

// Simple HTML templating with String.Format
string htmlTemplate = String.Format("<h1>Hello {0}!</h1>", "World");

// Results in HTML content: <h1>Hello World!</h1>

using IronPdf;

// Define reusable HTML template for PDF files
var htmlTemplate = "<p>Dear [[NAME]],</p><p>Thank you for your order.</p>";

// Customer names for batch PDF conversion processing
var names = new[] { "John", "James", "Jenny" };

// Create personalized PDF documents for each customer
var renderer = new ChromePdfRenderer();

foreach (var name in names)
{
    // Replace placeholder with actual data in HTML string
    var htmlInstance = htmlTemplate.Replace("[[NAME]]", name);

    // Generate personalized PDF document from HTML content
    var pdf = renderer.RenderHtmlAsPdf(htmlInstance);

    // Save with customer-specific filename as PDF files
    pdf.SaveAs($"{name}-invoice.pdf");
}

using IronPdf;

// Define reusable HTML template for PDF files
var htmlTemplate = "<p>Dear [[NAME]],</p><p>Thank you for your order.</p>";

// Customer names for batch PDF conversion processing
var names = new[] { "John", "James", "Jenny" };

// Create personalized PDF documents for each customer
var renderer = new ChromePdfRenderer();

foreach (var name in names)
{
    // Replace placeholder with actual data in HTML string
    var htmlInstance = htmlTemplate.Replace("[[NAME]]", name);

    // Generate personalized PDF document from HTML content
    var pdf = renderer.RenderHtmlAsPdf(htmlInstance);

    // Save with customer-specific filename as PDF files
    pdf.SaveAs($"{name}-invoice.pdf");
}

using HandlebarsDotNet;
using IronPdf;

// Define Handlebars template with placeholders for HTML content
var source = 
    @"<div class=""entry"">
        <h1>{{title}}</h1>
        <div class=""body"">
            {{body}}
        </div>
    </div>";

// Compile template for reuse in PDF conversion
var template = Handlebars.Compile(source);

// Create data object (can be database records) for HTML to PDF directly
var data = new { 
    title = "Monthly Report", 
    body = "Sales increased by 15% this month." 
};

// Merge template with data to create HTML content
var htmlResult = template(data);

// Convert templated HTML to PDF using the PDF converter
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(htmlResult);

pdf.SaveAs("monthly-report.pdf");

using HandlebarsDotNet;
using IronPdf;

// Define Handlebars template with placeholders for HTML content
var source = 
    @"<div class=""entry"">
        <h1>{{title}}</h1>
        <div class=""body"">
            {{body}}
        </div>
    </div>";

// Compile template for reuse in PDF conversion
var template = Handlebars.Compile(source);

// Create data object (can be database records) for HTML to PDF directly
var data = new { 
    title = "Monthly Report", 
    body = "Sales increased by 15% this month." 
};

// Merge template with data to create HTML content
var htmlResult = template(data);

// Convert templated HTML to PDF using the PDF converter
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(htmlResult);

pdf.SaveAs("monthly-report.pdf");

using IronPdf;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

public class PdfGenerationService
{
    // Async method for non-blocking PDF generation from HTML content
    public async Task<byte[]> GeneratePdfAsync(string html)
    {
        var renderer = new ChromePdfRenderer();

        // Async HTML to PDF conversion preserves thread pool
        var pdf = await renderer.RenderHtmlAsPdfAsync(html);

        // Return PDF files as byte array for web responses
        return pdf.BinaryData;
    }

    // Concurrent batch PDF generation for multiple HTML strings
    public async Task GenerateMultiplePdfsAsync(List<string> htmlTemplates)
    {
        var renderer = new ChromePdfRenderer();

        // Create parallel conversion tasks to generate PDF documents
        var tasks = htmlTemplates.Select(html =>
            renderer.RenderHtmlAsPdfAsync(html)
        );

        // Await all PDF conversions simultaneously
        var pdfs = await Task.WhenAll(tasks);

        // Save generated PDF files from HTML content
        for (int i = 0; i < pdfs.Length; i++)
        {
            pdfs[i].SaveAs($"document-{i}.pdf");
        }
    }
}

using IronPdf;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

public class PdfGenerationService
{
    // Async method for non-blocking PDF generation from HTML content
    public async Task<byte[]> GeneratePdfAsync(string html)
    {
        var renderer = new ChromePdfRenderer();

        // Async HTML to PDF conversion preserves thread pool
        var pdf = await renderer.RenderHtmlAsPdfAsync(html);

        // Return PDF files as byte array for web responses
        return pdf.BinaryData;
    }

    // Concurrent batch PDF generation for multiple HTML strings
    public async Task GenerateMultiplePdfsAsync(List<string> htmlTemplates)
    {
        var renderer = new ChromePdfRenderer();

        // Create parallel conversion tasks to generate PDF documents
        var tasks = htmlTemplates.Select(html =>
            renderer.RenderHtmlAsPdfAsync(html)
        );

        // Await all PDF conversions simultaneously
        var pdfs = await Task.WhenAll(tasks);

        // Save generated PDF files from HTML content
        for (int i = 0; i < pdfs.Length; i++)
        {
            pdfs[i].SaveAs($"document-{i}.pdf");
        }
    }
}

using IronPdf;
var renderer = new ChromePdfRenderer();

// Convert HTML to PDF with security
var pdf = renderer.RenderHtmlAsPdf("<h1>Confidential Report</h1>");

// Configure security settings for PDF files
pdf.SecuritySettings.UserPassword = "user123";     // Password to open PDF documents
pdf.SecuritySettings.OwnerPassword = "owner456";   // Password to modify PDF files

// Set granular permissions for PDF format
pdf.SecuritySettings.AllowUserCopyPasteContent = false;
pdf.SecuritySettings.AllowUserAnnotations = false;
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.PrintLowQuality;

// Apply strong encryption to PDF documents
pdf.SecuritySettings.EncryptionAlgorithm = PdfEncryptionAlgorithm.AES256;
pdf.SaveAs("secure-document.pdf");

using IronPdf;
var renderer = new ChromePdfRenderer();

// Convert HTML to PDF with security
var pdf = renderer.RenderHtmlAsPdf("<h1>Confidential Report</h1>");

// Configure security settings for PDF files
pdf.SecuritySettings.UserPassword = "user123";     // Password to open PDF documents
pdf.SecuritySettings.OwnerPassword = "owner456";   // Password to modify PDF files

// Set granular permissions for PDF format
pdf.SecuritySettings.AllowUserCopyPasteContent = false;
pdf.SecuritySettings.AllowUserAnnotations = false;
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.PrintLowQuality;

// Apply strong encryption to PDF documents
pdf.SecuritySettings.EncryptionAlgorithm = PdfEncryptionAlgorithm.AES256;
pdf.SaveAs("secure-document.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Enable HTML form to PDF form conversion
renderer.RenderingOptions.CreatePdfFormsFromHtml = true;

string htmlForm = @"
    <h2>Employee Onboarding Form</h2>
    <form>
        <label>Full Name:</label>
        <input type='text' name='fullName' value='' /><br/>
        <label>Department:</label>
        <select name='department'>
            <option value='engineering'>Engineering</option>
            <option value='marketing'>Marketing</option>
            <option value='sales'>Sales</option>
        </select><br/>
        <label>Agree to Terms:</label>
        <input type='checkbox' name='agreeTerms' />
    </form>";

var pdf = renderer.RenderHtmlAsPdf(htmlForm);
pdf.SaveAs("onboarding-form.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Enable HTML form to PDF form conversion
renderer.RenderingOptions.CreatePdfFormsFromHtml = true;

string htmlForm = @"
    <h2>Employee Onboarding Form</h2>
    <form>
        <label>Full Name:</label>
        <input type='text' name='fullName' value='' /><br/>
        <label>Department:</label>
        <select name='department'>
            <option value='engineering'>Engineering</option>
            <option value='marketing'>Marketing</option>
            <option value='sales'>Sales</option>
        </select><br/>
        <label>Agree to Terms:</label>
        <input type='checkbox' name='agreeTerms' />
    </form>";

var pdf = renderer.RenderHtmlAsPdf(htmlForm);
pdf.SaveAs("onboarding-form.pdf");

using IronPdf;

// Full page HTML containing the target element
string fullPageHtml = @"
<html>
<body>
    <header><h1>Acme Corp Invoice</h1></header>
    <div id='invoice-summary'>
        <h2>Invoice #12345</h2>
        <p>Total: $1,250.00</p>
    </div>
    <footer>Confidential</footer>
</body>
</html>";

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.EnableJavaScript = true;

// Replace the body with only the target element
renderer.RenderingOptions.Javascript = @"
    var el = document.querySelector('#invoice-summary');
    if (el) {
        var head = document.head.innerHTML;
        document.body.innerHTML = el.outerHTML;
        document.head.innerHTML = head;
    }
";

// Wait for the target element before JS executes
renderer.RenderingOptions.WaitFor.HtmlQuerySelector("#invoice-summary", 10000);

var pdf = renderer.RenderHtmlAsPdf(fullPageHtml);
pdf.SaveAs("invoice-summary.pdf");

using IronPdf;

// Full page HTML containing the target element
string fullPageHtml = @"
<html>
<body>
    <header><h1>Acme Corp Invoice</h1></header>
    <div id='invoice-summary'>
        <h2>Invoice #12345</h2>
        <p>Total: $1,250.00</p>
    </div>
    <footer>Confidential</footer>
</body>
</html>";

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.EnableJavaScript = true;

// Replace the body with only the target element
renderer.RenderingOptions.Javascript = @"
    var el = document.querySelector('#invoice-summary');
    if (el) {
        var head = document.head.innerHTML;
        document.body.innerHTML = el.outerHTML;
        document.head.innerHTML = head;
    }
";

// Wait for the target element before JS executes
renderer.RenderingOptions.WaitFor.HtmlQuerySelector("#invoice-summary", 10000);

var pdf = renderer.RenderHtmlAsPdf(fullPageHtml);
pdf.SaveAs("invoice-summary.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Configure network authentication
renderer.LoginCredentials = new ChromeHttpLoginCredentials
{
    NetworkUsername = "user@domain.com",
    NetworkPassword = "securePassword",
    AuthenticationType = ChromeHttpLoginCredentials.AuthType.Basic
};

var pdf = renderer.RenderUrlAsPdf("https://intranet.company.com/reports");
pdf.SaveAs("authenticated-report.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

// Configure network authentication
renderer.LoginCredentials = new ChromeHttpLoginCredentials
{
    NetworkUsername = "user@domain.com",
    NetworkPassword = "securePassword",
    AuthenticationType = ChromeHttpLoginCredentials.AuthType.Basic
};

var pdf = renderer.RenderUrlAsPdf("https://intranet.company.com/reports");
pdf.SaveAs("authenticated-report.pdf");

var renderer = new ChromePdfRenderer();

PdfDocument part1 = renderer.RenderHtmlAsPdf("<h1>Section 1</h1><p>First section content</p>");
PdfDocument part2 = renderer.RenderHtmlAsPdf("<h1>Section 2</h1><p>Second section content</p>");

var merged = PdfDocument.Merge(part1, part2);
merged.SaveAs("Merged.pdf");

// Alternative approach: copy specific pages
var combinedDoc = new PdfDocument();
combinedDoc.CopyPage(part1, 0); // Copy first page
combinedDoc.CopyPage(part2, 0); // Copy first page
combinedDoc.SaveAs("Combined.pdf");

var renderer = new ChromePdfRenderer();

PdfDocument part1 = renderer.RenderHtmlAsPdf("<h1>Section 1</h1><p>First section content</p>");
PdfDocument part2 = renderer.RenderHtmlAsPdf("<h1>Section 2</h1><p>Second section content</p>");

var merged = PdfDocument.Merge(part1, part2);
merged.SaveAs("Merged.pdf");

// Alternative approach: copy specific pages
var combinedDoc = new PdfDocument();
combinedDoc.CopyPage(part1, 0); // Copy first page
combinedDoc.CopyPage(part2, 0); // Copy first page
combinedDoc.SaveAs("Combined.pdf");

[HttpGet("download")]
public IActionResult GetPdf()
{
    var renderer = new ChromePdfRenderer();
    string html = "<h1>Web Report</h1><p>Generated dynamically.</p>";

    var pdf = renderer.RenderHtmlAsPdf(html);
    var bytes = pdf.BinaryData;

    // Optional: Add metadata
    pdf.MetaData.Author = "API Service";
    pdf.MetaData.CreationDate = DateTime.Now;

    return File(bytes, "application/pdf", "report.pdf");
}

[HttpGet("download")]
public IActionResult GetPdf()
{
    var renderer = new ChromePdfRenderer();
    string html = "<h1>Web Report</h1><p>Generated dynamically.</p>";

    var pdf = renderer.RenderHtmlAsPdf(html);
    var bytes = pdf.BinaryData;

    // Optional: Add metadata
    pdf.MetaData.Author = "API Service";
    pdf.MetaData.CreationDate = DateTime.Now;

    return File(bytes, "application/pdf", "report.pdf");
}

using IronPdf;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    MaxHeight = 50,
    HtmlFragment = "<div style='text-align:center;font-size:12px;'>Annual Report 2025 -- Confidential</div>",
    BaseUrl = new Uri(@"file:///C:/assets/")
};

renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 30,
    HtmlFragment = "<div style='text-align:center;font-size:10px;'>Page {page} of {total-pages}</div>",
    DrawDividerLine = true
};

renderer.RenderingOptions.MarginTop = 60;
renderer.RenderingOptions.MarginBottom = 40;

var pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>Body text here.</p>");
pdf.SaveAs("report-with-headers.pdf");

using IronPdf;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    MaxHeight = 50,
    HtmlFragment = "<div style='text-align:center;font-size:12px;'>Annual Report 2025 -- Confidential</div>",
    BaseUrl = new Uri(@"file:///C:/assets/")
};

renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 30,
    HtmlFragment = "<div style='text-align:center;font-size:10px;'>Page {page} of {total-pages}</div>",
    DrawDividerLine = true
};

renderer.RenderingOptions.MarginTop = 60;
renderer.RenderingOptions.MarginBottom = 40;

var pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>Body text here.</p>");
pdf.SaveAs("report-with-headers.pdf");

using IronPdf;
using System.Security.Cryptography.X509Certificates;

var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf("<h1>Contract Agreement</h1><p>Terms and conditions.</p>");

// Watermark
pdf.ApplyWatermark(
    "<div style='font-size:72px;color:red;opacity:0.3;'>DRAFT</div>",
    rotation: 45,
    opacity: 30
);

// Encryption and permissions
pdf.SecuritySettings.UserPassword = "user123";
pdf.SecuritySettings.OwnerPassword = "owner456";
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.NoPrint;
pdf.SecuritySettings.AllowUserCopyPasteContent = false;

// Digital signature
var cert = X509CertificateLoader.LoadPkcs12FromFile("certificate.pfx", "password");
var signature = new PdfSignature(cert)
{
    SigningContact = "Jane Smith",
    SigningLocation = "New York, NY",
    SigningReason = "Contract Approval"
};
pdf.Sign(signature);
pdf.SaveAsRevision("signed-contract.pdf");

using IronPdf;
using System.Security.Cryptography.X509Certificates;

var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf("<h1>Contract Agreement</h1><p>Terms and conditions.</p>");

// Watermark
pdf.ApplyWatermark(
    "<div style='font-size:72px;color:red;opacity:0.3;'>DRAFT</div>",
    rotation: 45,
    opacity: 30
);

// Encryption and permissions
pdf.SecuritySettings.UserPassword = "user123";
pdf.SecuritySettings.OwnerPassword = "owner456";
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.NoPrint;
pdf.SecuritySettings.AllowUserCopyPasteContent = false;

// Digital signature
var cert = X509CertificateLoader.LoadPkcs12FromFile("certificate.pfx", "password");
var signature = new PdfSignature(cert)
{
    SigningContact = "Jane Smith",
    SigningLocation = "New York, NY",
    SigningReason = "Contract Approval"
};
pdf.Sign(signature);
pdf.SaveAsRevision("signed-contract.pdf");