How to prevent row click function on specific column in datatable?

you have to disable row click for that particular column

$('rec' tbody'').on('click', 'td', function () {

         if ($(this).index() == 4 ) { // provide index of your column in which you prevent row click here is column of 4 index
             return;
         }

            // you can do additional functionality by clicking on this column here                         
    });