devexpress-examples / winforms-mvvm-cascading-lookups

Implement cascading LookUpEdit controls using DevExpress MVVM framework

WinForms MVVM - Cascading Lookup Editors

A lookup editor can filter items in its dropdown based on a value in another lookup. This example utilizes the Model-View-ViewModel design pattern to implement cascading LookUpEdit controls. The example binds a child LookUpEdit data source to a collection in a view model that returns a list of business objects depending on a selected object in the master lookup.

Read the following KB article for additional information: MVVM - How to implement cascading LookUpEdits.

Files to Review

• MainForm.cs
• Customer.cs
• DataSourceHelper.cs
• Order.cs
• OrdersViewModel.cs

Documentation

• Cascading Lookups
• WinForms MVVM