How to add NavigateUrl Param in treeView with I using collection object with the following code: Category.cs: 1 public class Category : IHierarchyData 2 { 3 private int _categoryId; 4 private int _parentId; 5 private string _name; 6 private string _url; 7 8 public int CategoryId 9 { 10 get { return _categoryId;...