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Datasnap.DBClient.TClientDataSet Events

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InheritedProtected
AfterApplyUpdatespublishedOccurs after the client dataset applies updates to the provider but before it attempts to reconcile update errors.
AfterCancelpublishedOccurs after an application completes a request to cancel modifications to the active record.
AfterClosepublishedOccurs after an application closes a dataset.
AfterDeletepublishedOccurs after an application deletes a record.
AfterEditpublishedOccurs after an application starts editing a record.
AfterExecutepublishedOccurs after the client dataset receives the results from an execute command.
AfterGetParamspublishedOccurs after the client dataset receives parameter values from the provider.
AfterGetRecordspublishedOccurs after the client dataset fetches a data packet from the provider.
AfterInsertpublishedOccurs after an application inserts a new record.
AfterOpenpublishedOccurs after an application completes opening a dataset and before any data access occurs.
AfterPostpublishedOccurs after an application writes the active record to the database or change log and returns to browse state.
AfterRefreshpublishedOccurs after an application refreshes the data in the dataset.
AfterRowRequestpublishedOccurs after the client dataset fetches new information about the current record.
AfterScrollpublishedOccurs after an application scrolls from one record to another.
BeforeApplyUpdatespublishedOccurs before the client dataset applies updates to the remote server.
BeforeCancelpublishedOccurs before an application executes a request to cancel changes to the active record.
BeforeClosepublishedOccurs immediately before the dataset closes.
BeforeDeletepublishedOccurs before an application attempts to delete the active record.
BeforeEditpublishedOccurs before an application enters edit mode for the active record.
BeforeExecutepublishedOccurs before the client dataset executes the provider's query or stored procedure.
BeforeGetParamspublishedOccurs before the client dataset fetches parameter values from the provider.
BeforeGetRecordspublishedOccurs before the client dataset fetches a data packet from the provider.
BeforeInsertpublishedOccurs before an application enters insert mode.
BeforeOpenpublishedOccurs before an application executes a request to open a dataset.
BeforePostpublishedOccurs before an application posts changes for the active record to the database or change log.
BeforeRefreshpublishedOccurs immediately before an application refreshes the data in the dataset.
BeforeRowRequestpublishedOccurs before the client dataset fetches new information about the current record.
BeforeScrollpublishedOccurs before an application scrolls from one record to another.
OnCalcFieldspublishedOccurs when an application recalculates calculated fields.
OnDeleteErrorpublishedOccurs when an application attempts to delete a record and an exception is raised.
OnEditErrorpublishedOccurs when an application attempts to modify or insert a record and an exception is raised.
OnFilterRecordpublishedOccurs only when a record is fetched from a DB or when the Filtered property is set to True.
OnGetDeltaStreamsprotected
OnNewRecordpublishedOccurs when an application inserts or appends a new dataset record.
OnPostErrorpublishedOccurs when an application attempts to modify or insert a record and an exception is raised.
OnReconcileErrorpublishedOccurs when a client dataset needs to reconcile an update to a record that could not be applied.


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