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Questions tagged [nreco]

NReco is a collection of reusable components for .NET platform (.NET Framework and .NET Core)

NReco website

143 questions
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"Cannot generate PDF: The filename or extension is too long" while generating pdf

I am generating pdf using the following method with NRECO. but while i am generating, I am getting the issue "Cannot generate PDF: The filename or extension is too long". I gave permission as everyone for the path where I am saving. My sample path…
Jeeva J
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How to bind dynamic values in the header and how to hide header for the specific pages?

I am using wkhtmltopdf (0.12.6). I cannot achieve the following two things. I want to bind dynamic values in the header based on the content. I want to hide headers based on the pages. When I use the wkhtmltopdf, I can inject only one header html.…
Jeeva J
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NReco - wkhtmltopdf - Table of content(TOC) is not generating

I am using wkhtmltopdf 0.12.5 with NReco (Asp.net core). I have set TOC to true HtmlToPdf.GenerateToc = true; HtmlToPdf.TocHeaderText = "INNEHÅLLSFÖRTECKNING"; I am getting document outline with the proper header text but toc is not generated. Am I…
Jeeva J
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NReco.VideoConverter.FFMpegException: ' (exit code: -1073741515)'

I am able to use the FFMpegConverter() in an ASP.NET Core application in my local environment, but when I use the production server I get the error: NReco.VideoConverter.FFMpegException: ' (exit code: -1073741515)' I have tried a lot of stuff with…
etrupja
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Nreco ConvertMedia is very slow on azure functions

I have a project on azure function serverless platform with .net core 3. In this project, I have a function which converts video files from different formats to mp4 format using Nreco.VideoConverter. When I run it locally it works perfectly. But…
Ran Marciano
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NReco PDF Generator periodically generates blank pages

I'm using NReco PDF generator to create PDFs of some fairly lengthy html tables. Most of the time it works fine, but sometimes it will generate a PDF that's just two blank pages (one blank page where the cover would be, followed by a blank page…
user3562286
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Using NReco FFMpegConverter in an azure function or in a azure web job

Currently, I'm working on POC which converts h264 stream to MP4 file. I'm using NReco FFMpegConverter for that purpose and also use the Azure Cloud Service to host my service. This Azure Cloud Service capture concurrent streams and convert the…
Manojb86
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NReco Set different duration for each frame

I am trying to create a video from a series of images and set different duration for each frame. At the moment I have 3 images, so 3 frames and would like to set the first frame for 5 seconds, second for 6 seconds etc. I am not sure how to implement…
alwaysVBNET
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Using NReco.PDF Renderer.dllto create a bitmap from a PDF file fails in Win 7 unless calling program run as admin

Using NReco PDF Renderer ( v 1.2.2.0) in a C# Winforms app made with Visual Studio 2019 to create a bitmap from a PDF file fails in Win 7 unless calling program run as Admin. Is there a way of using NReco.PdfRenderer.dll so that calling program in…
SimonKravis
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Show Difference instead of Grand Total - NReco Pivot Table

I have a scenario where I will be showing only two rows (say A, B). By default, NReco always shows the Grand Total(A+B) as the last row. I would like to have Difference (A-B) instead of Grand Total. How I can achieve this?
Mohan Kumar
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Forcing NReco.ImageGenerator to download specific version of wkhtmltoimage.exe

I'm using NReco.ImageGenerator.dll v1.1.3. This component is very useful, but it downloads wkhtmltoimage.exe v0.12.4, and I need v0.12.5 instead. How can I force it to download v0.12.5?
ecolbiz
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NRecoPdfRenderer - Out of memory exception

I am facing the issue of "Out Of Memory Exception" coming from NRecoPdfRenderer on my ASP.Net application (not using Mvc application). NRecor PdfRenderer web .Net Component web site This causes my web site to stop responding. When I remove the…
Atif Munir
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NReco HTML to PDF turn off Table of Contents generation

I'm trying to set up NReco HTML to PDF generation and having an issue. It generates the PDF but when I open the PDF with adobe reader, it automatically opens the "Bookmarks" side tab consuming quite a bit of screen real estate (about 1/3 of the…
TechSavvySam
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NReco.PdfToImageConverter Warning message box when converting PDF to Image

NReco.PdfToImageConverter Warning message box when converting PDF to Image When calling PdfToImageConverter.GenerateImage (or GenerateImages) there are cases that I'm getting a message box with a warning message Corrupt JPEG data: premature end of…
Guillermo Posse
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Different Pivot table drops totals

I'm using the below code block to pass in a pivot table along with some settings to loop through the measures and add differences where needed. The output is dropping the totals. Grand total, column total and row total are all returning null. Is…
Jason
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