Replace using Aspose.Excel namespace with a .NET namespace

Currently, I am using Aspose software to export an excel file. I would like to utilize .NET Framework to do the same thing.

If anyone knows how to do this or has done it before, please explain.
Lawrence AverySystem DeveloperAsked:
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Éric MoreauSenior .Net ConsultantCommented:
are you exporting to fully formatted Excel files or just CSVs?

What kind of application is it (web, wpf, winform, ...)?

And why getting rid of Aspose? I use it myself and really love it. Are you ready to get all kind of issues depending on the versions of Excel that is installed? And if Excel is already opened on the PC and the user is currently working it, you also run for troubles!
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Éric MoreauSenior .Net ConsultantCommented:
If you want to go that way, you need to use Automation as shown in https://support.microsoft.com/kb/302084
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Lawrence AverySystem DeveloperAuthor Commented:
The application is a web application (ASP.NET)?

Why am  I getting rid of Aspose?  Because of costly licensing.
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Éric MoreauSenior .Net ConsultantCommented:
Automation is not recommended on a web server. If you go with it, you have to install Excel on the server!

Why don't you just keep your existing license. If you don't update it, you don't have to get rid of it.
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Lawrence AverySystem DeveloperAuthor Commented:
We decided to stay with Aspose for now. Thanks for your answer.
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