"searchable": true,
"orderable": true,
"render": function(data, type, row, meta) {
var fullname = row.manager.firstname + " " + row.manager.surname;
var fullname;
if ( row.manager.firstname == null ) {
fullname = row.manager.firstname + " " + row.manager.surname;
}
else {
fullname = row.manager.surname;
return fullname;
},
-