Bug 121352 The data set binding property cannot be retrieved in report preview layout
In report preview page, the datasource/dataset property binding lists cannot be retrieved. The dataset binding can not work correctly in layout preview because it's value cannot get from the binding list. But in the data set edit page, the binding value can be got. You can refer to the attachment.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentReplaceRecord.java
if ( undo )
		{
			replace( newElement, oldElement );
		}
		else
		{
			replace( oldElement, newElement );
		}
	}
	/**
	 * Does the replacement between the old element and new element. Delete old
	 * one and its id, add the new one and its id.
	 * 
	 * @param oldElement
	 *            the old element to delete
	 * @param newElement
	 *            the old element to insert
	 */
	private void replace( DesignElement oldElement, DesignElement newElement )
	{
		
		slot.remove( oldElement );
		if ( oldElement.getRoot( ) != null )
			module.manageId( oldElement, false, false );
		oldElement.setContainer( null, DesignElement.NO_SLOT );
		
		slot.insert( newElement, posn );
		newElement.setContainer( container, slotID );
		if ( newElement.getRoot( ) != null )
			module.manageId( newElement, true, true );