Edit in JSFiddle

// Visualize: Change table column sorting order (5.6)

visualize({
    auth: {
        name: "superuser",
        password: "superuser"
    }
}, function (v) {
    var report = v.report({
        resource: "/public/Samples/Reports/5g.AccountsReport",
        container: "#container",
        error: showError
    });

    $("#sortAsc").on("click", function () {
        report.updateComponent("name", {
            sort: {
                order: "asc"
            }
        })
        .fail(showError);
    });

    $("#sortDesc").on("click", function () {
        report.updateComponent("name", {
            sort: {
                order: "desc"
            }
        })
        .fail(showError);
    });

    $("#sortNone").on("click", function () {
        report.updateComponent("name", {
            sort: {}
        }).fail(showError);
    });

    function showError(err) {
        alert(err);
    }
});
<!-- Visualize: Change table column sorting order (5.6)
  -->

<script type='text/javascript' src="http://code.jquery.com/jquery-2.1.0.js"></script>
<script type='text/javascript' src="http://underscorejs.org/underscore-min.js"></script>
<script type='text/javascript' src="http://localhost:8080/jasperserver-pro/client/visualize.js"></script>
<button id="sortAsc">Sort NAME column ASC</button>
<button id="sortDesc">Sort NAME column DESC</button>
<button id="sortNone">Resert NAME column</button>
<div id="container"></div>