Please help me to refresh jquery datatable after insert (not page refresh but datatable only)

anam

$(document).ready(function(){       // first table view data
    var table = function(data){
    $("#datatable").dataTable({
    data:data,
    columns:[
    {'data':'no'},
    {'data':'id'},
    {'data':'name'},
    {'data':'address'},
    {'data': function (data, type, row, meta) {
    return '<button id="upd">Update</button>'+
    '</a>'+'<a href="../controller/student.php/delete_student/?id=' + data.id + '" id="del">' + "Delete" +
    '</a>';
    }
    },
    ]
    });
    }
  $.ajax({
    url: "../controller/student.php/send_student",
    method: "POST",
    dataType: "json",
    success: table
    });
  
$('.btnadd').bind('click', function(){    //click function to insert data
    var nis=$('#id').val();
    var name=$('#name').val();
    var alamat=$('#address').val();
    $.ajax({
    url: "../controller/student.php/add_student",
    type:"POST",
    data:"id="+id+"&name="+name+"&address="+address,
    success:function(){
    alert("data saved");
                                        //Please help me to refresh datatable after insert code here ?????????????
    }
    });
  
    $('#id').val(null);
    $('#name').val(null);
    $('#address').val(null);
  
    });
  
    $(".dataTables_filter input").css({ "margin-bottom" :"2px" });
    $(".dataTables_filter input").css({ "font-family" :"Helvetica" });
});

    $(document).ready(function(){
    $("#popup_window").click(function(){
    $('#id').val(null);
    $('#name').val(null);
    $('#address').val(null);
    });
    });