Hi Daniel,
If you have a many to one association between Projektname and ToDo1, ToDo2, you can use a dataview to listen to the grid selection in tab 1 and then display the ToDo1, ToDo2 over the association to Projektname.
If your domain model looks like this:
Then you can build something like this easily
Hope this helps!
Thanks for response,
i did this, but now it dosnt show me any data for ToDo (Attribute).