How to create C# asp.net category tree?

Question

JavaScript

Hello. Help, dear programmers, developers, I'm trying to create such a web application for self-practice and already at the beginning I came across a huge problem, I don't understand how to program a tree with categories so that the user can click on the "create" button, create in "my directory " a new directory (folder) with any name. C# core asp.net tool. Below is a picture of how I roughly see my application

Answer 1

If using ASP.NET WebForms
TreeView Class
example
If using ASP.NET MVC
TreeView mvc
TreeView mvc