How to access datagrid row ? -'DataGridRow' is inaccessible due to its protection level

[Sesztak]

Dear JS-Support.

How to access datagridrow ? -'DataGridRow' is inaccessible due to its protection level.

code sample:
DataGridRow row = (DataGridRow)datagrid.ItemContainerGenerator
.ContainerFromItem(datagrid_DataList.SelectedItem);

Thanks for your kind reply in advance,
Best Regards,
Péter