Data.DB.TDataSource Events
InheritedProtected
| OnDataChange | published | Occurs when the data in a record has changed, either due to field edits or moving the cursor to a new record. |
| OnGetDeltaStreams | protected | |
| OnStateChange | published | Occurs when the state of the dataset of a data source component changes. |
| OnUpdateData | published | Occurs when the data in the current record is about to be updated. |