Can I edit a file on an asp.net core web app?

Is it possible to edit a file in asp.net core. I am making a website that if you press the button, it will add or delete something from a file. I'v tried using react but I don't like it and it didn't do what I expected it to do. Please help me I don't want to make like 400 files.

Solution

Yes, you can edit file using asp.net. It's worth to understand that you cannot change the file stored on client side, but you still can create/edit/delete files stored

on your web app host
any other remote storage via API (for example Azure Storage or any S3-like storage)

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