TcxDBDataController Events

A data controller that manages data from a TDataSet descendant.

Name	Description
OnAfterCancel	Occurs after canceling the modifications to the active record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnAfterDelete	Allows you to perform specific actions after the data controller deletes a record. Inherited from TcxCustomDataController.
OnAfterInsert	Occurs after inserting a new record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnAfterPost	Occurs after saving changes made to a record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnBeforeCancel	Occurs before canceling modifications to the active record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnBeforeDelete	Allows you to perform specific actions when the data controller is about to delete a record. Inherited from TcxCustomDataController.
OnBeforeImmediatePost	Inherited from TcxCustomDataController.
OnBeforeInsert	Occurs before inserting a new record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnBeforePost	Occurs before saving changes made to the modified record if working in unbound or provider mode. Inherited from TcxCustomDataController.
OnCanSelectRecord protected	Inherited from TcxCustomDataController.
OnCompare	Allows you to implement a custom sorting algorithm. Inherited from TcxCustomDataController.
OnDataChanged	Occurs on changing data provided by the data controller. Inherited from TcxCustomDataController.
OnDetailCollapsed	Occurs after the details of a particular master record have been collapsed. Inherited from TcxCustomDataController.
OnDetailCollapsing	Occurs when the details of a particular master record are about to be collapsed. Inherited from TcxCustomDataController.
OnDetailExpanded	Occurs after the details of a particular master record have been expanded. Inherited from TcxCustomDataController.
OnDetailExpanding	Occurs when the details of a particular master record are about to be expanded. Inherited from TcxCustomDataController.
OnDetailHasChildren	Fires when a grid view needs to determine whether a row’s detail is empty.
OnFilterRecord	Allows you to implement a custom data filtering algorithm. Inherited from TcxCustomDataController.
OnFindCriteriaBeforeChange	Enables you to identify and track changes made to the data search criteria before they take effect on the data controller. Inherited from TcxCustomDataController.
OnFindCriteriaChanged	Enables you to identify and track all data search criteria changes applied to the data controller. Inherited from TcxCustomDataController.
OnGridModeChanged
OnGroupingChanged	Occurs after data grouping is changed. Inherited from TcxCustomDataController.
OnNewRecord	Allows you to perform actions when the data controller is about to focus a new inserted record. Inherited from TcxCustomDataController.
OnRecordChanged	Fires in response to data changes. Inherited from TcxCustomDataController.
OnSortingChanged	Allows you to respond to sorting changes. Inherited from TcxCustomDataController.
OnUpdateControl	Inherited from TcxCustomDataController.