TabsBuilder.KeyExpr Method

Name	Parameters	Description
KeyExpr(JS)	value	Specifies the key property that provides key values to access data items. Each key value must be unique. Mirrors the client-side keyExpr option.
KeyExpr(String)	value	Specifies the key property that provides key values to access data items. Each key value must be unique. Mirrors the client-side keyExpr option.

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