Implementing DropdownList in ASP.NET Core

The DropdownList is a single-selection control that displays a list of predefined values. Users can select one value from the dropdown list. It supports data binding, filtering, grouping, custom templates, and accessibility features.

When to Use This Skill

Use this skill when you need to:

• Create a single-selection dropdown in an ASP.NET Core application
• Bind dropdown data from server-side sources (array, database, API)
• Enable filtering for large lists
• Group related items
• Customize item appearance with templates
• Ensure accessibility compliance
• Cascade dropdowns based on parent selection
• Handle user selections with events

Component Overview