ComboBox

• Aug 11, 2026

The DevExpress ComboBox component for Blazor (DxComboBox) displays a drop-down window with a list of items.

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API Reference

Refer to the following list for the component API reference: DxComboBox Members.

Features and Capabilities

For in-depth information about DevExpress ComboBox for Blazor, review the following articles:

• Data Binding
  • Strongly Typed Collection
  • Custom Object Collection
  • Load Custom Data
  • Allow Custom Values
• Data Shaping
  • Group Data
  • Search and Filter Data
  • Disabled Items
• Multiple Columns
• Buttons
  • Clear Button and Placeholder
  • Hide Built-In Drop-Down Button
  • Add Command Buttons
• Appearance Customization
  • Size Modes
  • Drop-Down List Width
  • Drop-Down Window Direction
  • Templates
    • Item Display Template
    • Edit Box Display Template
    • Cell Display Templates
    • Empty Data Area Template
• Cascading Comboboxes
• Virtual Scrolling
• Keyboard Support
• Input Validation
• HTML Attributes

Examples

• Editors (ComboBox, List Box, TagBox) - Custom data binding
• ComboBox - Bind to an enumeration

AI Skills

DevExpress AI Skills help your AI assistant generate code that uses ComboBox API in accordance with DevExpress best practices:

• ComboBox Skill
• Blazor Skills Overview