How to make a system about e- diary using c# of .net framework?

Question

using c# languange, with ui

Answer 1

Sololearn doesnt support ui in anything but web development languages (js,php,html,css). You would need a windows forms or WPF app in Visual Studio. Also, c# uses the .net framework, there isnt other frameworks for c# that I'm aware of. .net framework is specifically for c#.