com.smartgwt.client.data.events

## Interface HasDataChangedHandlers

- All Superinterfaces:
    com.google.gwt.event.shared.HasHandlers
  All Known Implementing Classes:
    DataSource, FacadeDataSource, FilteredList, MockDataSource, RecordList, RestDataSource, ResultSet, ResultTree, Tree, WSDataSource, XJSONDataSource

      public interface HasDataChangedHandlers
      extends com.google.gwt.event.shared.HasHandlers

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `com.google.gwt.event.shared.HandlerRegistration` | `addDataChangedHandler(DataChangedHandler handler)` Notification method fired when a DataSource operation such as an `add`, `remove` or `update` modifies the underlying data for a DataSource.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addDataChangedHandler

          com.google.gwt.event.shared.HandlerRegistration addDataChangedHandler(DataChangedHandler handler)

      Notification method fired when a DataSource operation such as an `add`, `remove` or `update` modifies the underlying data for a DataSource.

      This method is used by `ResultSet`s to keep the user-visible data up to date as changes are made.

      Parameters:
        `handler` - the dataChanged handler
      Returns:
        `HandlerRegistration` used to remove this handler