Hi! How TreeGridCrud works? How grop by rows?- <

Directory Crud UI Add-on
1 
Hi! How TreeGridCrud works? How grop by rows?-
2

See https://github.com/alejandro-du/crudui/blob/master/crud-ui-demo/src/main/java/org/vaadin/crudui/demo/ui/view/SimpleTreeCrudView.java

3

thanks!