Use LookupEdit and GridLookupEdit controls in combobox mode.
Implement cascading LookUpEdit controls using DevExpress MVVM framework
Create cascading lookups (filter items in the lookup's dropdown based on a value in another lookup).
Add an empty item to the dropdown list of the WinForms Lookup Editor.
Parse entered values and add new records to the lookup’s data source.
Filter a standalone lookup based on a value in another lookup (Cascading Lookups).
Hide the Close button from the lookup dropdown.
Display custom tooltips for lookup items.
Filter a lookup column based on a value in another lookup column in the grid's Edit Form.
Bind a lookup column in the Grid Control to Entity Framework objects.
Customize the GridLookUpEdit to create a data-bound image combobox.
Display custom text if the lookup's value is not found in the dropdown list.
Add a description, image, and links to the data-lookup topic page so that developers can more easily learn about it.
To associate your repository with the data-lookup topic, visit your repo's landing page and select "manage topics."