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Rank: Newbie
Groups: Member
Joined: 10/6/2022
Posts: 9
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Hello,
I'm struggling with your documentation because there doesnt appear to be much information regarding the conversion to System.IO.Stream
When using the following line of code below, the library assumes I want to save the pdf document to disk. In my case it's saving in the root of my .NET Core project's bin folder:
var result = EO.Pdf.HtmlToPdf.ConvertHtml(html, "Test Report.pdf");
I need to be able to use the following return type shown below in my Web API in order to return the file back to the calling client, which also provides a download link in Swagger:
var doc = await _logsQueryRepo.GetLogsReportPdf(response!); // my C# interface
return File(new MemoryStream(doc.BinaryData), "application/pdf", name); // This part i can't figure out
The above code was used when I was trialling IronPdf, but I since have moved away from that library due to cost.
It looks to be I need a code sample in how to get the binary data stream from the ConvertHtml method.
Thanks
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,103
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Hi, You would do something like this:
Code: C#
//Convert the result to a MemoryStream
MemoryStream ms = new MemoryStream();
EO.Pdf.HtmlToPdf.ConvertHtml(html, ms);
//Important: Set the current position to the begining of the stream
ms.Seek(0, SeekOrigin.Begin);
//Pass the memory stream to File method
return File(ms, ....);
Hope this helps. Thanks!
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Rank: Newbie
Groups: Member
Joined: 10/6/2022
Posts: 9
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Hi,
I had more or less come to the same soluton, then I saw your mesage.
I did however have to convert the memory stream to an array.
// create memory stream to save PDF
using var pdfStream = new MemoryStream();
EO.Pdf.HtmlToPdf.ConvertHtml(html, pdfStream);
// Reset stream position
pdfStream.Seek(0, SeekOrigin.Begin);
return File(memoryStream.ToArray(), "application/pdf", name); // To Array, otherwise I got a server error.
Many thanks
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,103
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Great. If you do it that way then you do not need to call pdfStream.Seek to reset the stream position.
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