Fix DataTable expander button triggering unwanted row-click events #7799
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…top modifier to expander button click event to prevent event bubbling - Fixes issue where clicking expander button triggers unwanted row-click events - Maintains expected expand/collapse functionality while preventing side effects
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DataTable 展开按钮触发了不必要的行点击事件
DataTable expander button triggers unwanted row-click events
问题描述
Description
当点击 DataTable 行中的展开按钮时，点击事件会冒泡并触发行点击事件处理器，导致意外行为。
When clicking the expander button in a DataTable row, the click event bubbles up and triggers the row-click event handler, causing unintended behavior.
重现步骤
Steps to Reproduce
expander列）Create a DataTable with expandable rows (using
expandercolumn)Add a row-click event handler to the DataTable
Click on the expander button to expand/collapse a row
Observe that the row-click event is also triggered
期望行为
Expected Behavior
Clicking the expander button should only trigger the expand/collapse functionality
Row-click events should NOT be triggered when clicking the expander button
Only direct clicks on the row (outside of action buttons) should trigger row-click events
实际行为
Actual Behavior
Clicking the expander button triggers both the expand/collapse action AND the row-click event
This causes unwanted side effects and conflicts with intended user interactions
根本原因
Root Cause
展开按钮的点击事件冒泡到父级
<td>元素，该元素有处理行点击的@click="onClick"事件处理器。The expander button's click event bubbles up to the parent
<td>element, which has a@click="onClick"event handler that processes row clicks.解决方案
Solution
为展开按钮的点击处理器添加
.stop事件修饰符以阻止事件冒泡：Add the
.stopevent modifier to the expander button's click handler to prevent event bubbling:环境信息
Environment
代码位置
Code Location
文件 / File:
packages/primevue/src/datatable/BodyCell.vue行数 / Line: ~71 (expander button template)