Datatable - How to set height of column in datatable jquery

Question

This is my code..

dtTest = $('#grddtTest').DataTable({
"filter": false,
"paging": false,
"orderClasses": false,
"order": [[0, "asc"]],
"info": true,
//"bAutoWidth": false,
"ordering": false,
"dom": '<"top">rt<"bottom"Bpfli><"clear">',
"columnDefs": [{ targets: [0, 1], orderable: false },
{ "height": "500px", "targets": 0 }
// {
// targets: [1], render: $.emsyne.Utility.ellipsis(50)
// }
],
"buttons": [{
}],
'responsive': true,
"bProcessing": true,
initComplete: function () {
}
});

{ "height": "500px", "targets": 0 } or { "width": "500px", "targets": 0 } //this code is not working

 

plx help me..

thnkz in advace..