on this page: http://demo.aspnetawesome.com and here http://demo.aspnetawesome.com/AjaxCheckBoxListDemo, there's multiple AjaxCheckboxList,
just make sure they have different ids, if you get same id on the same page it won't work, you can also you use .Prefix to add a prefix to the id (id is generated using prefix and name)
just make sure they have different ids, if you get same id on the same page it won't work, you can also you use .Prefix to add a prefix to the id (id is generated using prefix and name)