Gets or sets the a detail item property that contains the reference to its master item. This is a dependency property.
NuGet Package: DevExpress.Wpf.Grid.Core
A path to the View Model.
The ParentPath property allows you to enable the binding from the ViewModel to the grid.
The ParentPath property should be assigned to a detail item property that contains the reference to its master item. This way, the master grid can determine the detail grid in which the current item will be updated.