in vs2010 beta2,i follow the picture above added datasource(no nested "Orders", i just use that picture to try to explain), and try to present "Customers" as a DataGrid in wpf window.
so in the dropdown list beside "Customers", i select "DataGrid" and drag the "Customers" to a wpf window.
but the wpf window doesn't accept the drop, which do accept "List", "Details".
how can i just do TABLE -> Entities -> DataGrid in wpf window?
any help would be appreciated.