How to use selectInput with an editable DT table

I have formatted your post for you.

see : FAQ: How to format your code

read_csv("Dataset.csv") will simply not work on anyones machine but yours...
You can review the general reprex guide and the shiny one, for tips on how to communicate your data over text

How do I share data for a reprex?

You might use tools such as the library datapasta, or the base function dput() to share a portion of data in code form, i.e. that can be copied from forum and pasted to R session.

Reprex Guide

shiny reprex guide

Shiny debugging and reprex guide