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We are using a TreeGrid with a possibly large number of nodes (~2500) under the root node, which we want to load incrementally. When a node is opened, we want to load that node's data dynamically (incrementally, if possible). What is the best way to achieve this? Can we use SmartRendering with TreeGrids or is XMLAutoLoading the only choice? Is it possible to also load the children of a node incrementally when a a node is expanded and the user scrolls down or must all the children's data of a node be provided at the same time?

Current version of dhtmlxTreeGrid doesn't support SmartRendering or buffering, so autoLoading is the only choice ( basically there is a smartXMLPrasing but it works nearly the same as auto-loading except client side caching instead of server side )

In current version the only available logic - the all children's data must be provided and rendered in same time, so the only way to show such ammout of record, split in more deep hierarchy.
( We have in development updated version of treeGrid which will support functionality similar to smartRendering in plains grid, but it still in alpha state )