L
Laura Stern
Guest
Generally speaking, a grid will not (and absolutely should not) read all the query data up front. It asks for only as much data from the temp-table/database as it needs to do its display. When you scroll down, it will read more. When you sort, ultimately all the rows need to be read in order to know what the correct sort order is. So every record (or at least the sort column value from each record) needs to be read at least once. Once the data is in memory the grid can do the sorting without further tt/db access. Does that answer your question?
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