To make the expand function of tree grid work with QueryReadStore, you must customize QueryReadStore to make it work with a partially loaded item.
要同时使用树型网格的展开功能和QueryReadStore，您必须定制 QueryReadStore使其能支持一个部分加载的条目。
To make the expand function of tree grid work with QueryReadStore, you must customize QueryReadStore to make it work with a partially loaded item.
要同时使用树型网格的展开功能和QueryReadStore，您必须定制 QueryReadStore使其能支持一个部分加载的条目。
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