Gets a value that indicates if the item is empty.
An ID identifies an object within the system, but not uniquely. The underlying data of an ID is a Guid.
A database is a collection of items. A database uses a data source object to retrieve and store items. The data source is an concrete implementation that manages items in a storage, e.g. a SQL database or the file system.
Item Class | Sitecore.Data.Items Namespace