The Telerik UI for Blazor DropDownTree component combines the compactness of a dropdown with the navigation power of a TreeView, making it ideal for hierarchical data selection in forms. The post covers binding hierarchical DTOs directly to the component, enabling search/filtering with a single parameter, programmatically controlling expanded nodes, customizing node rendering with ItemTemplate (icons, availability dots, job titles), and displaying breadcrumb paths in the selected value via ValueTemplate. Common use cases include product catalogs, org charts, file systems, and permission models.
Table of contents
Why Choose a DropDownTree?How Can You Display Hierarchical Data?The Data ModelHow Can Users Find Items Faster?How Can You Make Navigation More Intuitive?How Can You Make Hierarchies Easier to Scan?How Can You Customize the Selected Value Display?When Should You Use a DropDownTree?Try the Telerik UI for Blazor DropDownTree Today45 Impressions