Log In
Home
Support
Demos
Documentation
Blogs
Training
Webinars
[Expand]General Information
[Expand]WinForms Controls
[Expand]ASP.NET Controls and MVC Extensions
[Expand]ASP.NET Bootstrap Controls
[Expand]ASP.NET Core Bootstrap Controls
[Expand]WPF Controls
[Expand]Xamarin Controls
[Expand]Windows 10 App Controls
[Expand]Office File API
[Expand]Reporting
[Expand]Report and Dashboard Server
[Expand]Dashboard
[Collapse]eXpressApp Framework
 [Expand]Fundamentals
 [Expand]Getting Started
 [Collapse]Concepts
  [Expand]Application Solution Components
   Client-Side Mobile Application
  [Collapse]Business Model Design
    Business Model Design Basics
    Built-in Business Classes for Most Popular Scenarios
   [Expand]Business Model Design with Entity Framework
   [Expand]Business Model Design with XPO
    Non-Persistent Objects
    PropertyChanged Event in Business Classes
   [Collapse]Data Types Supported by built-in Editors
     Key Properties
    [Expand]String Properties
    [Expand]Numeric Properties
    [Expand]Date and Time Properties
    [Expand]Boolean Properties
    [Expand]BLOB Image Properties
    [Collapse]Collection Properties
      Collection Properties in XPO
      Collection Properties in Entity Framework
      Collection Properties in Domain Components
    [Expand]Reference (Foreign Key, Complex Type) Properties
    [Expand]File Attachment Properties
    [Expand]Type Properties
    [Expand]Enumeration Properties
    [Expand]Criteria Properties
    [Expand]Color Properties
     Geolocation Properties
     Miscellaneous Property Types
    Mapping Complex Types to the Database
   [Expand]Types Info Subsystem
    Connect an XAF Application to a Database Provider
    Data Annotations in Data Model
    Create and Update the Application's Database
  [Expand]Application Model
  [Expand]UI Construction
  [Expand]Extend Functionality
  [Expand]Data Manipulation and Business Logic
  [Expand]Security System
  [Expand]Localization
  [Expand]System Module
  [Expand]Extra Modules
  [Expand]Debugging, Testing and Error Handling
  [Expand]Filtering
  [Expand]Application Life Cycle
 [Expand]Design-Time Features
 [Expand]Deployment
 [Expand]Task-Based Help
  Frequently Asked Questions (FAQ)
 [Expand]API Reference
[Expand]CodeRush
[Expand]CodeRush Classic
[Expand]Cross-Platform Core Libraries
[Expand]Tools and Utilities
 End-User Documentation
This documentation page describes implementations made in our v17.2 release cycle. To learn about functionality shipping with v18.1, navigate to our updated help file experience at docs.devexpress.com. Learn More

Collection Properties in Entity Framework

The example below illustrates how to implement Collection Properties in an Entity Framework Code First class.

Note that the collection properties should be declared as virtual in EF.

Is this topic helpful?​​​​​​​