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。
The rest of this article shows you how to build a lazy-loaded tree grid with QueryReadStore.
本文余下部分将向您介绍如何使用 QueryReadStore构建一个延迟加载（lazy-loaded）树型网格。
After the database is loaded, the cache is preloaded using data grid agents.
一旦数据库被加载，数据网格代理(data grid agents)就会预先加载缓存。
Multilayer grid index can reduce the redundance and index size of traditional grid index, so that the entire grid index can be loaded to client side.
层次网格索引是在传统网格索引的基础上，进一步改进，减少了传统网格索引的冗余和索引的大小。
Multilayer grid index can reduce the redundance and index size of traditional grid index, so that the entire grid index can be loaded to client side.
层次网格索引是在传统网格索引的基础上，进一步改进，减少了传统网格索引的冗余和索引的大小。
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