Sets a caption for the request page tab that is related to this data item. The value is taken from the ReqFilterHeadingML Property if this property is set.
- Data items on reports.
- Table elements XMLports.
Any valid string. If ReqFilterHeadingML Property is set, then the value for the selected language is used. If ReqFilterHeadingML Property is not set, then the default is the name of the table that is the specified in the DataItemTable Property.