I do Master/Detail hierarchical RadGridView in the following manner. The View is:
In the ViewModel I create (in particular) the folowing property that is bound to SelectedItem of master RadGridView. This is the user-selected device which session must be saved. Please see it below:
And also the following properties:
I initialize these properties in constructor of ViewModel:
And in 'SaveWorkingSesionCommand' I do the following:
Below is the definition of SavedWorkingSession from Device class:
But I can not see detail records. Please see 'HierarchyMasterDetail.PNG' file attached. If you need more detail, please write me.