private void checkbox_ToggleStateChanged(object sender, StateChangedEventArgs args) { if (_suspendProcessingToggleStateChanged) { return; } var valueState = false; if (args.ToggleState == ToggleState.On) { valueState = true; } GridViewElement.EditorManager.EndEdit(); TableElement.BeginUpdate(); for (var i = 0; i < ViewInfo.Rows.Count; i++) { ViewInfo.Rows[i].Cells[ColumnIndex].Value = valueState; } TableElement.EndUpdate(false); TableElement.Update(GridUINotifyAction.DataChanged); }