How to display the username in the last column as posted by

[simbu]

Hello,

I am creating a one sample registration form.In that i want to display the username in last column as a posted by at that time when i am viewing the datas from database the username should be displayed.

name | email | phone | postedby

If the user arun has register means it will show posted by arun like that.

So can u able to tell me how to do it?

[simplypixie]

What is your code so far