HtmlToPdf | Convert HTML to PDF using headless Chrome | Document Editor library
kandi X-RAY | HtmlToPdf Summary
kandi X-RAY | HtmlToPdf Summary
Convert HTML to PDF using headless Chrome with a wkhtmltopdf compatible CLI
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QUESTION
I'm trying to convert HTML code written in C# to a PDF but getting issues when trying to do so. I get an error that says cannot HTMLAgilityPack.HTMLDocument object to Api2PdfChromeHtmltoPDFRequest. Is there a way to do so with these 2 libraries, or any better solutions?
...ANSWER
Answered 2022-Apr-03 at 19:26According to the documentation, HtmlToPdf is expecting an ChromeHtmlToPdfRequest
object (https://github.com/Api2Pdf/api2pdf.dotnet/blob/ba7da6496a45e1e07627158bc76d9ea48cdc6255/Api2Pdf.DotNet/RequestModels.cs#L42)
This is also what the error is trying to tell you. You are passing in an object of type HTMLAgilityPack.HTMLDocument
, yet the HtmlToPdf method is expecting an object of type ChromeHtmlToPdfRequest
. The compiler then complains that it cannot convert the first to the latter and throws an error at you.
So your code should look like this:
QUESTION
I have an issue while using Select.HtmlToPdf.NetCore v 21.1.0. please refer screenshot below which contains various view of final HTML content in different browsers or visualizers and final PDF output of same HTML
HTML visualizer view in runtime VS 2019 of final html before pdf HTML visualizer
Same HTML copies separately to view first in chrome chrome render of same html
ans second in Internet explorer(not edge) Internet explorer but NOT EDGE, some old like 7,8
And final PDF generated look like this final pdf generated
Now, i feel that certain CSS used while designing HTML which works in chrome does not work in HTML visualizer and also in selectPDF package as well which i am using.
Also, IE and HTML Visualizer render is almost similar to PDF output.
My question now is how do i find out which css is not working out? how do i design my html, now that i have to be dependent on Internet explorer? what should i do like what kind of CSS i should use which can render on chrome and this selectpdf in sync? (i am not so good with css) Any suggestion or help to fix this is will be highly appreciated. thanks in advance.
...ANSWER
Answered 2022-Mar-29 at 12:50Use of CSS applicable and accepted by all the popular browsers solved the issue
QUESTION
I am writing a page that loads a PDF using the SelectPDF library. The problem I am running into is the load time for rendering the PDF. It takes like 2-3 seconds for the PDF to render from HTML.
This isn't an issue, but I want to disable the button used to create the pdf during that loading period. Because if the user gets impatient and clicks the button again, the process starts over.
I thought using a script manager and an update panel would allow me to do this, but I cannot seem to figure it out. I have partial page rendering and the update mode set to conditional, but when I call the update() method from my code, nothing happens. The button doesn't disable until the PDF finishes rendering.
I want to force the button enabled state to update before the PDF starts rendering, not after.
Here is my code
The ASPX page
...ANSWER
Answered 2021-Dec-03 at 06:52Why not just hide or disable the button when you click on it?
You have this:
QUESTION
I am currently trying to interact with PDF files using a library called IronPdf. I created a simple Console Application and managed to follow their tutorial by creating a HTML file, writing to it, saving it as a PDF and accessing that PDF.
However whenever I try to further work with that pdf I always get an ExecutionEngineException with the following message:
...ANSWER
Answered 2021-Oct-01 at 08:530x80131506 is Fatal Internal CLR error normally stemming from Interop and is not try/catchable.
The bug is caused by the use of an experimental .NET runtime .NET 5.07 and above currently have a known issue / breaking change with Interop.
.NET 5 latest does not have LTS Long Term Support and is a balance of bleeding edge technology over stability.
2 ways to fix it:
IronPdf now have a fix on their main branch: https://www.nuget.org/packages/IronPdf/
Target a more stable .NET run time ( .Net Core 5.0 or 3.1 LTS) .NET 6 will be an LTS. Until then .Net 3.1 has long term support and is stable. https://blog.inedo.com/dotnet/demystifying-lts
QUESTION
I am having an issue wrapping my head around how to properly wrap a PDF library I am using called IronPDF
.
IronPDF
has a PdfDocument
object.
My thought was to create a IronPdfDocument
object that looks like this:
ANSWER
Answered 2021-Sep-28 at 18:03you can't cast to IronPdfDocument directly because it's not implemented the same interface that PdfDocument implements, as a workaround, you can create a new object and pass the resulted stream to the constructor to create a new object and return it as following
QUESTION
I have a .NET Core 3.1 web app running on Azure App Service that is using SelectPdf to convert some HTML document to PDF. It is working perfectly on my localhost but once I publish on to Azure, I got the following error no matter how small/simple my HTML document is:
...ANSWER
Answered 2021-Aug-16 at 10:47Disclosure: I work for SelectPdf.
I am afraid that it matters what plan you are using on Azure. Azure has a lot of limitations and SelectPdf uses an alternate rendering engine on Azure. To test it on your computer, you need to set:
QUESTION
I am generating PDF documents successfully in an Azure Web Application written using IronPDF as our PDF rendering engine. The use case is generate PDFs of financial statements and invoices in C# as part of a wider closed business application.
Everything is working well in local development and HTML To PDF document generator functionality is exactly as we needed. Taking the PDF generator into staging we are noticing slow rendering times.
These sometimes cascade into a backlog of PDFs in a request queue which can lead to timeouts from web requests when the wait goes over 30 seconds. Our code is not unusual and carefully follows steps in the Ironpdf C# PDF creation tutorial: https://ironpdf.com/tutorials/html-to-pdf/
PM> Install-Package IronPdf
ANSWER
Answered 2021-Jul-19 at 03:17Usually you want to make it async by writing the request into a storage queue, and return immediately. Using Azure function(which is highly scalable) to process the requests from the queue.
Depending on the type of app, you can use a signalR channel to notify the UI that the pdf generation is completed
QUESTION
I got a JSON object like this:
...ANSWER
Answered 2021-May-21 at 08:50I fixed the problem by using mutators.
I updated my model class like this:
QUESTION
Hi i'm using SelectPdf for Net Core.
First i generate a method for convert html content to pdf, then i configure my pdf options and finally i add footer in all pages, this work but I can't find any property to center my footer in the document.
...ANSWER
Answered 2021-Apr-22 at 17:51The constructor of the PdfHtmlSection class has several overloads, one of them allows the X, Y axes and the url of the image. You can try assigning a value to the X axis which is the one that aligns horizontally, you can try the following code:
QUESTION
I am trying to use the Select.HtmlToPdf library https://www.nuget.org/packages/Select.HtmlToPdf/20.2.0
...ANSWER
Answered 2021-Apr-14 at 20:13The library is called Select.HtmlToPdf
, but the namespace it uses is SelectPdf
, so this should work:
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