❔ can any one explain the code

isn't this literally taken from the microsoft docs

they didn't say it was their own :p

read some stuff on MVC, Rest API's and CRUD

if i call the BookControoler AddNewBook method called what will be the flow

of program

The flow will be the same as in the AddNewBook method.
Is there something particular you can't understand from this method? Because logic looks straightforward

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.