按钮加载ajax时触发事件

Question

I have a form to send someone a message, and I need to create a list of people to the user pick one and send him the message.

So I've created a search field that shows that list:

$('#name').keyup(function(){
    var name, goURL;
    goURL = site_url + 'events/search';
    name = $(this).val();
    $.post(goURL, {name : name}).done(function(data){
        $('.results').html(data);
    });
});

Then I get a list from users, that comes from a method of codeigniter and in each user I have a button that allows me to pick this user.

    $('.results').on('on', '.select-btn', function(){
        alert('Test');
    });

But when I click, nothing happens. How to proceed? Thank you and sorry for my bad English.