BI-69168 fix: grid_view中的item的unmont不执行使得title一直存在

changelog.md

@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-07)
+- 修复了grid_view执行_unMount时不调用子组件的_unMount的问题
 - combo新增belowMouse属性,允许popup在点击处弹出
 - combo新增hideWhenAnotherComboOpen属性,开启则其他combo下拉时当前combo收起
 - 修复了datePicker在setValue的时候没有动态刷新可用月份的问题

src/base/grid/grid.js

@@ -150,7 +150,8 @@ BI.GridView = BI.inherit(BI.Widget, {
                         if (this.renderedCells[index]._top !== rowDatum.offset + verticalOffsetAdjustment) {
                             this.renderedCells[index].el.element.css("top", (rowDatum.offset + verticalOffsetAdjustment) + "px");
                         }
-                        renderedCells.push(child = this.renderedCells[index]);
+                        child = this.renderedCells[index].el;
+                        renderedCells.push(this.renderedCells[index]);
                     } else {
                         child = BI.createWidget(BI.extend({
                             type: "bi.label",