The Blind Data dialog appears when you select Menu > Edit > Bind Data. If you want to use formulas to control whether to hide or show objects whose parents don't have data source in a web report, you first need to bind a data source to the web report, then you can create formulas in the data source to control the Invisible property of such objects. See the dialog.
Available data resources
Lists all the business views in the current catalog that can be used as data source of the web report. Select the one you want to use.
Binds the data to the web report.
Does not retain the changes and closes the dialog.
Displays the help document about this feature.
Ignores the setting and closes this dialog.