hello all,
I have a list with several elements including user name and link.
Each user can enter your user name and its own link
but the problem is that each user can enter their user name as many times as he wants! Is it possible to allow users to enter their name in the list only once?
I have a list with several elements including user name and link.
Each user can enter your user name and its own link
but the problem is that each user can enter their user name as many times as he wants! Is it possible to allow users to enter their name in the list only once?