DataItemLinkReference Property
Sets the parent data item to which a child (indented) data item is linked. After you specify the DataItemLinkReference value, use the DataItemLink Property (Reports) to specify a field from each data item on which to base the link.
Applies To
Data items
Reports
Remarks
The default value is the name of the last preceding data item in the report with lower indentation. You can set DataItemLinkReference and DataItemLink properties for a data item that is not a child of another data item, however, this will not have any effect.