Bug 142104 Cannot place data set field on master page
Bugzilla 122419 says this is fixed. I am using RC2, and I can't insert a data set field in the master page header or footer.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
}
		else
		{
			ComputedColumn bindingColumn = StructureFactory.newComputedColumn( dataHandle,
					model.getColumnName( ) );
			bindingColumn.setDataType( model.getDataType( ) );
			bindingColumn.setExpression( DEUtil.getExpression( model ) );
			if ( target instanceof DesignElementHandle )
			{
				if ( DEUtil.getGroupControlType( (DesignElementHandle)target )
						.equals( DEUtil.TYPE_GROUP_GROUP ) )
				{
					bindingColumn.setAggregrateOn( ( (GroupHandle) DEUtil.getGroups( (DesignElementHandle)target )
							.get( 0 ) ).getName( ) );
				}
			}
			dataHandle.addColumnBinding( bindingColumn, false );