CardViewBuilder<T>.KeyExpr Method

Name	Parameters	Description
KeyExpr(JS)	value	Specifies the key property (or properties) that supply key values to access data items. Each key value must be unique. This property applies only if data is a simple array. Mirrors the client-side keyExpr option.
KeyExpr(IEnumerable<String>)	value	Specifies the key property (or properties) that supply key values to access data items. Each key value must be unique. This property applies only if data is a simple array. Mirrors the client-side keyExpr option.
KeyExpr(String)	value	Specifies the key property (or properties) that supply key values to access data items. Each key value must be unique. This property applies only if data is a simple array. Mirrors the client-side keyExpr option.