Convert from HTML to PDF in ASP.NET Core with a Free 3rd Party Library

Html to Pdf Conversion is now available for .NET Core. SelectPdf offers a Community Edition (FREE) of the powerful Html To Pdf Converter for .NET Core that can be found in the full featured pdf library.

C# (1.6 MB)
 
 
 
 
 
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5/10/2019
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C#
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace SelectPdf.Samples.Pages
{
    public class AutomaticBookmarksModel : PageModel
    {
        public void OnGet()
        {
            TxtUrl = Helper.WWWRoot(Request) + Url.Content("~/files/document.html");
        }

        [BindProperty]
        public string TxtUrl { get; set; }

        [BindProperty]
        public string TxtElements { get; set; }

        public IActionResult OnPost()
        {
            // instantiate a html to pdf converter object
            HtmlToPdf converter = new HtmlToPdf();

            // set the css selectors for the automatic bookmarks
            converter.Options.PdfBookmarkOptions.CssSelectors =
                TxtElements.Split(new char[] { ',' });

            // display the bookmarks when the document is opened in a viewer
            converter.Options.ViewerPreferences.PageMode = PdfViewerPageMode.UseOutlines;

            // create a new pdf document converting an url
            PdfDocument doc = converter.ConvertUrl(TxtUrl);

            // save pdf document
            byte[] pdf = doc.Save();

            // close pdf document
            doc.Close();

            // return resulted pdf document
            FileResult fileResult = new FileContentResult(pdf, "application/pdf");
            fileResult.FileDownloadName = "Document.pdf";
            return fileResult;
        }
    }
}