| id | dxTreeList.Options.keyExpr |
|---|---|
| type | String | function(item, value) |
| default | id |
Specifies the key property (or properties) that provide(s) key values to access data items. Each key value must be unique.
#include btn-open-demo with { href: "https://js.devexpress.com/Demos/WidgetsGallery/Demo/TreeList/SimpleArrayPlainStructure/" }
#####See Also#####