Posts the value being edited to the associated data source without closing the editor.
NuGet Package: DevExpress.Win.PivotGrid
true if the value being edited has been successfully validated and saved to the associated data source; otherwise, false.
The PostEditor method fires the PivotGridControl.ValidatingEditor event. If the edited value is valid, the PivotGridControl.EditValueChanged event is raised. You should handle this event to post the changes to the data source.