DropDownBox for DevExtreme - How to implement search for TreeList

This example illustrates how to implement search for TreeList.

The search feature is implemented in the DropDownBox component's onInput event handler. This modifies the TreeList's searchPanel text property. The TreeList's onSelectionChanged event handler updates the DropDownBox's value. The keyboard navigation using the arrow down key is implemented in the DropDownBox's onKeyDown event handler.

Files to Review

• Angular
  • app.component.html
  • app.component.ts
• jQuery
  • index.html
  • index.js
• ASP.NET
  • Index.cshtml

Documentation

• Getting Started with DropDownBox

• DropDownBox - API Reference