I am working on angular material tree table where I need to add manually checkbox functionality for my tree table. When all child nodes are selected parent node must get selected and when unselected parent also should be unselected. At this point i am facing issues which is not working and partial selection woks as expected. I am using one mat checkbox for this use case .
It is working. I am sharing link
https://stackblitz.com/edit/angular-table-tree-example-caddt5?file=app/table-basic-example.ts