Customizing: Asp.net Core 5.0 Pdf

| Approach | Memory per request | Concurrency | Notes | |----------|------------------|-------------|-------| | PuppeteerSharp | ~100-200 MB | Poor (reuse browser instance) | Use singleton browser, parallel pages | | IronPDF | ~80-150 MB | Moderate | Pool browser processes | | QuestPDF | ~5-20 MB | Excellent | No external processes | | PdfSharpCore | ~5-15 MB | Excellent | Pure .NET |

await new BrowserFetcher().DownloadAsync(); using var browser = await Puppeteer.LaunchAsync(new LaunchOptions Headless = true ); using var page = await browser.NewPageAsync(); await page.SetContentAsync(html); return await page.PdfDataAsync(new PdfOptions

var pdf = new CustomPdf("My Report", new List<string> "Item 1", "Item 2" ); var bytes = pdf.GeneratePdf(); return File(bytes, "application/pdf", "report.pdf"); customizing asp.net core 5.0 pdf

container.Page(page => page.Size(PageSizes.A4); page.Margin(1, Unit.Cm); page.Header().Text(_title).Bold().FontSize(18); page.Content().Column(col => foreach (var item in _items) col.Item().Text(item); ); page.Footer().AlignCenter().PageNumber(); );

private readonly string _title; private readonly List<string> _items; public CustomPdf(string title, List<string> items) => (_title, _items) = (title, items); | Approach | Memory per request | Concurrency

container.Page(page =>

Date: [Current Date] Version: 1.0 Technology Stack: .NET 5.0, ASP.NET Core, C# 1. Executive Summary ASP.NET Core 5.0 does not include a built-in PDF generation library. Developers must integrate third-party solutions to create, manipulate, or customize PDF documents. This report explores the most effective libraries and customization techniques—ranging from HTML-to-PDF conversion using headless browsers to direct PDF manipulation with commercial libraries. Key considerations include performance, licensing, layout fidelity, and server-side compatibility. 2. Introduction Generating PDFs in web applications is a common requirement: invoices, reports, contracts, and tickets. ASP.NET Core 5.0 runs cross-platform (Windows, Linux, macOS), so any PDF solution must be platform-compatible and avoid Windows-specific GDI+ calls. This report explores the most effective libraries and

public void Compose(IDocumentContainer container)