LigerUI 树状列表折叠显示

http://blog.csdn.net/haojuntu/article/details/8626040

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function InitGrid(arrButtons) {

          //加载 菜单管理数据
            $.post("Ajax_Menu.aspx", { view: 'ManageMenu' }, function(data) {
                gridRight.set('data', { Rows: data.Data });
            }, 'json');

            gridRight = $("#maingrid").ligerGrid({
                columns: [
                { display: '菜单ID', isSort: false, name: 'ModuleID', align: "left" },
                { display: '菜单名称', isSort: false, name: 'ModuleName', align: "left" },
                { display: '菜单父ID', isSort: false, name: 'ModuleParentID', align: "left" },
                { display: '菜单类型', isSort: false, name: 'ModuleTypeID', align: "left",  100 }

                  ],

                usePager: false,
                tree: { columnName: 'ModuleName' },
           //加载数据后折叠事件

                onAfterShowData: function() {
                    var l = $(".l-grid-tree-link-open").length;
                    for (var i = l - 1; i >= 0; i--)
                        $(".l-grid-tree-link-open")[i].click();
                },

                data: []
            });
        }