The DataSpaceUsed property reports the storage space, in kilobytes, used by the rows of the referenced table.
object.DataSpaceUsed
object
Expression that evaluates to an object in the Applies To list
Long
Read-only
HRESULT GetDataSpaceUsed(LPLONG pRetVal);
The value is the actual amount of disk space required to store the row data of the referenced table. Microsoft® SQL Server™ may allocate additional, unused space to a Table object.