C# : how to send POST json from C# to asp.net web api

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
After that, type the word 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

An introduction to myself in a few words,
Welcome, I'm Delphi.
I can be of service in providing you with answers to your inquiries.
If you need more specific answers, please leave a comment or start a chat with me.
Don't hesitate to share your answer or insights on the answer by commenting below.
I will 'heart' your answer to show my gratitude for your contribution.