树形grid的展开

wei

Cannot read property '_justep_grid_expanded' of undefined
[url=]隐藏详细[/url]
TypeError: Cannot read property '_justep_grid_expanded' of undefined at n.isExpanded (eval at <anonymous> (http://127.0.0.1:8080/x5/UI2/v_c ... ore.min.js:71:17978), <anonymous>:213:350283) at n._expandRow (eval at <anonymous> (http://127.0.0.1:8080/x5/UI2/v_c ... ore.min.js:71:17978), <anonymous>:213:350333) at n.expandRow (eval at <anonymous> (http://127.0.0.1:8080/x5/UI2/v_c ... ore.min.js:71:17978), <anonymous>:213:350431) at n.Model.windowReceiver1Receive (http://127.0.0.1:8080/x5/UI2/v_9 ... inActivity.js:39:20) at n.fire (http://127.0.0.1:8080/x5/UI2/v_c ... re.min.js:71:237473) at n.fireEvent (http://127.0.0.1:8080/x5/UI2/v_c ... re.min.js:71:238637) at n.callParent (http://127.0.0.1:8080/x5/UI2/v_c ... re.min.js:71:234912) at n.fireEvent (http://127.0.0.1:8080/x5/UI2/v_1 ... mmon.min.js:15:3768) at n.doReceive (http://127.0.0.1:8080/x5/UI2/v_a ... p.min.js:144:268862) at n._doReceive (http://127.0.0.1:8080/x5/UI2/v_a ... p.min.js:144:268624)
树形结构按行展开会报这个错误

var physicsTreeGrid = this.comp("physicsTreeGrid");
physicsTreeGrid.expandRow(rowID);
这是代码,rowID是对的

jishuang

确认传rowid的这行数据加载了吗？没有加载是不能展开的，看错误应该是数据没有加载

wei

jishuang 发表于 2019-4-17 15:05
确认传rowid的这行数据加载了吗？没有加载是不能展开的，看错误应该是数据没有加载 ...

是因为我延迟加载的嘛，但是这个节点是里面的某一个节点上的

jishuang

延迟加载的下面的子节点默认是不会加载的，只有点击父节点展开才会去加载子节点的数据

wei

jishuang 发表于 2019-4-17 16:01
延迟加载的下面的子节点默认是不会加载的，只有点击父节点展开才会去加载子节点的数据 ...

设置成不是延迟加载的，也报这个错误

jishuang

data的getValueByID方法通过这个id能获取到值吗？