PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Wed Oct 17, 2018 3:34 am 
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Joined: Fri Jul 27, 2018 3:29 am
Posts: 19
Hi, Im trying to use PDFSharp with Asp.Net Core 2.1. It working great, creating the pdf and save it to the path.
But it didn't show anything in the browser that the file has been downloaded to the browser default download path.
Here is my code:

Code:
namespace CreatePDF.Controllers
{
    [Route("api/[controller]")]
    public class CreatePDFController : Controller
    {
        // GET: api/<controller>
        [HttpGet]
        public IActionResult CreatePDF()
        {
            PDFGenerator.GeneratePDF();

            return Ok("Successfully generate pdf.");
        }
    }
}


Code:
public class PDFGenerator
    {
        public static string GeneratePDF()
        {
            GlobalFontSettings.FontResolver = new FontResolver();

            var document = new PdfDocument();
            var page = document.AddPage();
            var gfx = XGraphics.FromPdfPage(page);
            var font = new XFont("OpenSans", 20, XFontStyle.Bold);

            gfx.DrawString("Hello World!", font, XBrushes.Black, new XRect(20, 20, page.Width, page.Height), XStringFormats.Center);

            document.Save("D:\\test.pdf");

            return "pdf generated";
        }
    }


So, when user click button. It will generate the pdf and download it through browser like below. How do I achieve this using PDFSharp and .Net Core?


Attachments:
10-PDF-downloaded-file.png
10-PDF-downloaded-file.png [ 2.72 KiB | Viewed 140 times ]
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PostPosted: Wed Oct 17, 2018 5:40 am 
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PDFsharp Expert
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Joined: Sat Mar 14, 2015 10:15 am
Posts: 428
Location: CCAA
Hi!

The controller must send the PDF to the browser.

Here is a sample that does it with ASPX:
http://pdfsharp.net/wiki/Clock-sample.ashx

With ASP.NET MVC return the PDF file as the action result.
Maybe this helps you get started:
https://stackoverflow.com/a/29277790/1015447

_________________
Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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