Convert Powerpoint file to PDF in ASP.NET web forms application

[Marcelo Camarate]

Hi all,

I'm new to Syncfusion controls and forgive me for my poor English.

I'm qualified in the Syncfusion Community program and already downloaded the Essential Studio Enterprise Edition - Community license version 24.1.41.

I have an application developed in ASP.NET (web forms)/VB.NET and now I need to create a function to convert a Powerpoint file (PPTX) to PDF format. My doubts are bellow:

• Can I use Essential Studio Enterprise Edition version 24.1.41 directly in an ASP.NET (web forms)/VB.NET application?
  
• If yes, does Essential Studio Enterprise Edition have controls to read a Powerpoint (PPTX) file and convert it to PDF or I need to download some other Syncfusion control?
  
• If not, can I create a function in ASP.NET Core or MVC in Visual Studio and generate a DLL file that can be imported into my ASP.NET (web forms)/VB.NET application? How?
  

Finally, as I don't have experience with Syncfusion controls, could anyone show me what is the best way to do this and, if possible, send some tutorial or source code?

Thanks in advance,

Marcelo Camarate

[Sneha Biju]

Hi Marcelo,

Regarding “Can I use Essential Studio Enterprise Edition version 24.1.41 directly in an ASP.NET (web forms)/VB.NET application?”:
Yes, you can use Essential Studio Enterprise Edition. You can refer to the controls in Syncfusion through the below link:
https://www.syncfusion.com/products/essential-studio
Regarding “If yes, does Essential Studio Enterprise Edition have controls to read a Powerpoint (PPTX) file and convert it to PDF or I need to download some other Syncfusion control?”:
You can use the .NET PowerPoint library to create, read, write, and convert Microsoft PowerPoint files by using C# and VB.NET code from any of the following .NET platforms - Windows Forms, WPF, ASP.NET, ASP.NET MVC, ASP.NET Core, Blazor, WPF, Xamarin, WinUI and .NET MAUI applications.
You can refer to the following links for more details.

Documentation	Reference links
Overview	https://help.syncfusion.com/file-formats/presentation/overview
PPTX to PDF	https://help.syncfusion.com/file-formats/presentation/presentation-to-pdf

GitHub examples	Reference link
Overview	https://github.com/SyncfusionExamples/PowerPoint-Examples/tree/master
PPTX to PDF	https://github.com/SyncfusionExamples/PowerPoint-Examples/tree/master/PPTX-to-PDF-conversion/Convert-PowerPoint-presentation-to-PDF

Online demos	Reference link
Overview	https://ej2.syncfusion.com/aspnetcore/PowerPoint/Default#/material
PPTX to PDF	https://ej2.syncfusion.com/aspnetcore/PowerPoint/PPTXToPDF#/material

Regarding “If not, can I create a function in ASP.NET Core or MVC in Visual Studio and generate a DLL file that can be imported into my ASP.NET (web forms)/VB.NET application? How?”:
Our ASP.NET NuGets are deprecated, you can use any of the following suggestions:

1. If you wish to use ASP.NET (Web forms), we suggest you to upgrade your application to ASP.NET Core and use the corresponding NuGet (Syncfusion.PresentationRenderer.Net.Core),where you can get similar features and deploy the application in cross platforms also (Linux, Mac). Refer the below link for more reference:

Documentation	Reference links
PPTX to PDF in ASP.NET Core	https://help.syncfusion.com/file-formats/presentation/convert-powerpoint-to-pdf-in-asp-net-core
Migrate Presentation library from .NET Framework to .NET Core	https://help.syncfusion.com/file-formats/presentation/faqs/migrate-from-net-framework-to-net-core

2. Else, if you wish to use .NET Framework target application means, we suggest you to use ASP.NET MVC NuGet package (Syncfusion.PresentationToPdfConverter.AspNet.Mvc5).

Similarly, you can use ASP.NET MVC NuGet package (Syncfusion.PresentationToPdfConverter.AspNet.Mvc5)directly from nuget.org or build installed location for VB.NET applications. You can download the VB sample from the attachment.

Regards,
Sneha.

[Sneha Biju]

Sorry for the inconvenience, I have attached the VB sample which uses ASP.NET MVC NuGet package below.

Attachment: PPTXtoPDFVB_4d31f19.zip

[Marcelo Camarate]

Hi Sneha Biju,

Thank you very much for reply.

I did a test application to evaluate your suggestions and it was almost perfect.

The only problem that I found in PresentationToPdfConverter class use is that it converted some text boxes without borders in the original PPTX file and added borders to them in PDF file, as you can see in the attached image.

Do you know how to fix this?

Thanks in advance,

Marcelo Camarate

[Sneha Biju]

Marcelo, we have prepared a PPTX file by adding text boxes with and without borders, and it is preserved properly when converted to PDF. We have also prepared a sample for converting PPTX to PDF using the prepared PPTX file. You can find the sample attached below, and the PPTX file is located in the Data folder.

If you are still facing the same issue, kindly share the following information with us so that we can replicate the exact issue on our end:
1. Input PPTX file
2. Code snippet (if it differs from the provided sample)
Thereby, we will be able to further analyze the issue and provide you with a solution as soon as possible.

Attachment: PPTXtoPDF_63818679.zip

[Marcelo Camarate]

Hi Sneha Biju,

Thanks for your reply.

As my application is developed in ASP.NET (Web forms)/VB.NET, I needed to convert your C# code to VB.NET. So, I attached a ZIP file with the test solution. But, because of the 30MB limit for attached files, I cleaned up the "packages" folder with the Syncfusion packages.

In it, have a "Files" folder with a file "SyncFusionTest.pptx" to be converted. As you can see on the second slide, the text boxes on the left side do not have borders. However, they appear with borders after running the test project.

Am I doing something wrong or is it a bug?

Thanks in advance,

Marcelo Camarate

Attachment: SyncfusionPPTXtoPDF__Copia_23d29169.zip

[Sneha Biju]

Marcelo, we have reproduced the reported problem in ASP.NET Core “Textboxes are not preserved properly while converting PPTX to PDF” in our end. We will validate this issue and update you with more details by starting of next week.

[Dharanitharan Ayyasamy]

Marcelo, we have confirmed that the reported issue with “Line format color for shape is not applied properly while converting PowerPoint Presentation to PDF”, is a defect and we have logged a defect report. We will provide a fix which is estimated to be available on or before 23^rd, January 2024.

The status of this bug can be tracked through the below link:
https://www.syncfusion.com/feedback/49807/line-format-color-for-shape-is-not-applied-properly-while-converting-powerpoint

[Sneha Biju]

Marcelo, as promised earlier, we have included the fix for the reported issue with “Line format color for shape is not applied properly while converting PowerPoint Presentation to PDF” in our latest weekly NuGet release (v24.1.47).

Please use the below link to download our latest weekly NuGet:
https://www.nuget.org/packages/Syncfusion.PresentationRenderer.Net.Core/24.1.47

The status of this bug task can be tracked through the below link:
https://www.syncfusion.com/feedback/49807/line-format-color-for-shape-is-not-applied-properly-while-converting-powerpoint

Note: We will include this fix in our 2023 Volume 4 SP release, which will be available in the end of January 2024.

[Marcelo Camarate]

Hi Sneha Biju,

I downloaded your new version 24.1.47 in NuGet site and now the convertion from PPTX to PDF working fine. Congratulations to your work and thank you very much.

Best regards,

Marcelo Camarate

[Kalavathi Nallathambi]

Marcelo,

You're welcome! Please get back to us if you need any other assistance.