CODEWITHSUNDEEP
asp.net-coreprintjs
erict
erict

Reputation: 1467

how to print a dynamically generated pdf with printJS

[Note this might be similar to https://stackoverflow.com/questions/48138874/can-make-print-js-print-a-variable, but I don't know PHP]

I have an ASP.Net core action that creates a PDF on the fly. I currently have the PDF download to the client, like so:

<a asp-controller="Home" asp-action="Pdf">Download PDF</a>

and the controller action

public IActionResult Pdf()
{
    using (MemoryStream ms = new MemoryStream())
    {
        ...
        return File(ms.ToArray(), "application/pdf", "file.pdf");
    }
}

Instead, I would like it to go to the print preview dialog of the browser, for which I was planning to use printjs. But I have to specify a server-based file (such as "docs/file.pdf"). The printjs sample is:

<button type="button" onclick="printJS('docs/file.pdf')">Print PDF</button>

Is there a way to cause the printJS file to download the pdf file without needing to save it somewhere?

Upvotes: -1

Views: 946

Answers (1)

erict
erict

Reputation: 1467

Doh. Too easy:

<a onclick="printJS('/home/Pdf')">Print PDF</a>

Instead of supplying an href to a file, have the onclick function call printJS with the action name which will execute and download the PDF.

Upvotes: 0

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