Query.Refresh - Duda

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Información:

Description

Call Refresh to ensure that an application has the latest data from a database. For example, when an application turns off filtering for a dataset, it should immediately call Refresh to display all records in the dataset, not just those that used to meet the filter condition.

Note: The Refresh method does not work for all TDataSet descendants. In particular, TQuery components do not support the Refresh method if the query is not “live”. To refresh a static TQuery, close and reopen the dataset.

TDataSet generates a BeforeRefresh event before refreshing the records and an AfterRefresh event afterwards.

Un Saludo.