The key field attribute is required to hold a unique row id. It associates each row with a unique identifier. You should always define keyField=”Id” which means row id will be same as record id and it will make easier to update, view and edit records
The It attribute is needed to store unique row id. It associates each row with a unique identifier. You should always define keyField=”Id” which means row id will be the same as record id and it will make it easier to customize, view and edit records.