Questions tagged [ironpdf]
69 questions
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2 answers
How to speed up IronPdf when using async/await
I'm trying to make a piece of code run faster. The code is already using async/await. But it's still slow.
So I tried to alter my foreach to use the new IAsyncEnumerable. However I gained 0 performance from this. And it appears to run the code…
Snæbjørn
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4 answers
Asynchronous Code Is Not Faster than the Synchronous Version
I'm not very experienced with asynchronous programming, so please excuse my ignorance.
I'm trying to generate a list of PDFS asynchronously to improve performance.
However, the code runs the same whether it's asynchronous or synchronous:
Parallel…
DragonMasa
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2 answers
Multibyte characters reading problem in IronPdf
I am trying IronPDF. I want to insert PDF metadata to database which I read with IronPDF. However, some "ı" characters in the metadata are not read with IronPDF. Spaces are left in place of these characters. Here is my code sample:
var md =…
Quince
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2 answers
Convert HTML with Charts to PDF using IronPdf
While trying IronPdf library to convert HTML with Charts, I was not getting the charts into the PDF file. PDF gets generated without the bar charts. Here is the sample link I was trying to convert to PDF -…
gmsi
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1 answer
C# cropping bitmaps depending on bitmap location
I have a PDF file containing numerous pages of hand-written surveys. My C# application currently breaks each PDF page down into single Bitmap objects (each PDF page is a Bitmap object) and then uses various APIs to read the hand-written data from…
craig2020
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1 answer
Making smaller Bitmaps from a Bitmap object
I have a Bitmap object of a hand-written survey (see survey image below) which contains various checkboxes. I am using an algorithm to compare a Bitmap of a blank, unmarked checkbox against a Bitmap of the same checkbox (which may or may not be…
darego101
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1 answer
IronPdf Add text to end of the page inserts new page
i'm trying to manipulate pdf and i tried some of opensource libraries (e.g pdfSharp, pdfjet) and i cannot achive what i must do. Because pdfsharp add it with a new page to pdf, or pdfjet put an advert into pdf. So, i cannot use those libraries.
What…
Vecihi Baltacı
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0 answers
Opacity css style doesn't work in ironPDF header
I generate an PDF with IronPDF and want to apply opacity on header. If I place my HTML string with opacity in document it's ok opacity work but when I place the same string with opacity in header, header doesn't show anymore like opacity = 0.
MrB3NiT0
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1 answer
Client download pdf file using Response.BinaryWrite ASP.NET c#
I'm trying to add a feature to download a pdf file. I'm using ironpdf to generate the pdf file and I want the user to click and download it.
Here is my handler.
try
{
// Render any HTML fragment or document to HTML
…
Victor Costa
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