Datatable Script:
var tblPreventivi  = $('#example').DataTable({
         "order": [[ 5, "desc" ]],
         "dom": 'lBfrtip',
        "buttons": [
        { 
            extend:'excel',
            exportOptions: {
                columns: [ 0,2,3,4,5 ]
            }
        },
        { 
            extend:'pdf',
            exportOptions: {
                columns: [ 0,2,3,4,5 ]
            }
        },
        ],
        "lengthMenu": [[20, 50, 100, -1], [20, 50, 100, "All"]]
    });
i am getting below screenshot:

so i need for DataTable options
anyone please Help me out!

