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Unknow charters when copy/paste text from PDF converted from DOCX

Thread ID:





142117 Jan 21,2019 09:22 AM UTC Jan 22,2019 10:56 AM UTC ASP.NET Core - EJ 2 1
Tags: DocIO
Massimo Giambona
Asked On January 21, 2019 09:22 AM UTC

Operating system: Windows 10
Asp.Net Core - Framework: 2.1.1

Syncfusion.DocIO.Net.Core: v16.3.0.29
Syncfusion.DocIORenderer.Net.Core: v16.3.0.29

I have this code

public IActionResult ToPdf(int id)
// _reportTemplate is the attacched file (simple word 2019 file)

// Loads document from stream.
FileStream fileStream = new FileStream(_reportTemplate, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var document = new WordDocument(fileStream, FormatType.Docx);
//WordDocument document = new WordDocument(stream, FormatType.Automatic);
// Creates a new instance of DocIORenderer class.

DocIORenderer render2 = new DocIORenderer();
// Converts Word document into PDF document.
PdfDocument pdf = render2.ConvertToPDF(document);
MemoryStream memoryStream = new MemoryStream();
// Save the PDF document.
memoryStream.Position = 0;

return File(memoryStream, "application/pdf", $"Report_{id}.pdf");

It render the PDF but when i select the rendered PDF text and then copy paste into notepad, it paste gibberish charters like below


Attachment: Report_f246f7e.zip

Dilli Babu Nandha Gopal [Syncfusion]
Replied On January 22, 2019 10:56 AM UTC

Hi Massimo, 

Greetings from Syncfusion. 

We have recently fixed a similar kind of issue and included the issue fix in our latest v16.4.0.42 release which can be downloaded from the following link. 

You can also check the issue in our online sample  

Please let us know if you have any questions. 

Dilli babu. 


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