private void GuidesMenuNavigatorSelectedItem(object MenuItem) { if (MenuItem is MenuNavigatorItem) { var _currentMenuItem = MenuItem as MenuNavigatorItem; DataGridColumns = SessionsHelper.GetDataGridGuidesColumns(_currentMenuItem); GuidesDataItems = SessionsHelper.GetDataGridGuidesItems(_currentMenuItem); GuidesName = _currentMenuItem.Text; if (GuidesDataItems != null) { if (GuidesDataItems.Count > 0) { GuidesDataSelectedItems = GuidesDataItems[0]; } } } }