devexpress-blazor-combobox

Generate configured DevExpress ComboBox dropdowns for Blazor applications.

39|7|Updated Jun 2, 2026
One-click install
npx skills add https://github.com/DevExpress/agent-skills --skill devexpress-blazor-combobox
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: devexpress-blazor-combobox
Source: https://github.com/DevExpress/agent-skills/tree/main/plugins/dx-blazor/skills/devexpress-blazor-combobox
Command: npx skills add https://github.com/DevExpress/agent-skills --skill devexpress-blazor-combobox

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill eliminates the need to manually implement a production-ready dropdown selector for Blazor applications, which requires handling complex tasks like data binding, search/filtering, validation, and cross-browser compatibility from scratch, reducing development time and preventing common implementation errors.

Core Features & Use Cases

  • Full-featured dropdown editor: Supports binding to simple or custom object collections, async data loading, virtual scrolling for large datasets, search/filtering, item grouping, and multi-column item lists.
  • Deep customization & integration: Allows custom item and edit-box templates, Clear and custom command buttons, cascading dependent dropdowns, and native Blazor EditForm validation.
  • Real-world use case: For example, use this skill to quickly add a searchable, cascading country/city dropdown to a Blazor Server app with minimal custom code.

Quick Start

Use this skill to generate a configured DxComboBox component bound to a list of employee records with search enabled and a custom item display template.

Frequently Asked Questions about devexpress-blazor-combobox

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add a searchable Blazor dropdown bound to a database?

To add a searchable Blazor dropdown, use a pre-built DevExpress ComboBox editor that supports data binding to object collections and includes built-in search and filtering capabilities. This handles async data loading and cross-browser compatibility automatically.

Can I use a DevExpress Blazor ComboBox with .NET 8 interactive render modes?

Yes, the DevExpress Blazor ComboBox fully supports .NET 8+ interactive render modes, ensuring compatibility across Blazor Server, WebAssembly, and Hybrid app development scenarios.

What's the best way to handle large datasets in a Blazor dropdown selector?

The best way to handle large datasets in a Blazor dropdown is using a DevExpress ComboBox configured with virtual scrolling. This ensures smooth scrolling and responsive UI performance even when bound to thousands of records.

How do I implement cascading dropdowns in Blazor Server or WebAssembly?

Implement cascading dropdowns in Blazor by configuring dependent DevExpress ComboBox components. This allows the selected value of a parent dropdown to filter the data bound to a child dropdown automatically.

Does the Blazor ComboBox support custom templates and EditForm validation?

Yes, the Blazor ComboBox supports custom item and edit-box templates for tailored UI display, and it integrates natively with Blazor EditForm validation to enforce data entry rules.