The ItemTemplate of the TreeViewAdv displays the customized business object as TreeViewItemAdv. Since the TreeViewAdv displays the hierarchical data, the HierarchicalDataTemplate is used to define the ItemTemplate. Here, an example is illustrated to display the three-level Tree View, where the lowest level is expressed in a DataTemplate, then the HierarchicalDataTemplate is used for the Next level up from the lowest level and the first level to display the Hierarchical data structure.
Refer to the following code example
The following screenshot illustrates the output.
Figure 1: Hierarchial DataTemplate for TreeViewAdv
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