Gets the path to the data that is bound to the navbar item.
The path to the data that is bound to the item. This value comes from the hierarchical data source control to which the navbar control is bound.
The DataPath property value is commonly used when calling the GetHierarchicalView method to provide the path to the data that is bound to the current navbar item. This method then returns a HierarchicalDataSourceView object that contains the data at the specified path.