显示您的数据表代码，只有 p：datatable ...

Show your datatable code, only the p:datatable...

表中没有缓存，也尝试删除 immediate 并使用 action =＃{myBean.myDeleteMethod（item）}$ c替换 f：setPropertyActionListener $ c>

There is no caching in the table, also try removing the immediate and replace the f:setPropertyActionListener by using action="#{myBean.myDeleteMethod(item)}"