Introduction - If you have any usage issues, please Google them yourself
This article examines the TreeView control, which you use to display hierarchical data. For example, suppose your Web site sells products that belong in various categories. You may want to arrange the product information on category and subcategory bases. The same categorization is applicable for the Web site pages. You may want to display them in certain categories such as Products, Services, and Support. TreeView comes handy in all such cases.