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/core/DesignElement.java
setIntrinsicProperty( propName, value );
			return;
		}
		
		if ( prop.getTypeCode( ) == PropertyType.ELEMENT_REF_TYPE )
		{
			ElementRefValue oldRef = (ElementRefValue) propValues
					.get( propName );
			updateReference( oldRef, (ElementRefValue) value, prop );
		}
		
		if ( prop.getTypeCode( ) == PropertyType.STRUCT_REF_TYPE )
		{
			StructRefValue oldRef = (StructRefValue) propValues.get( propName );
			updateReference( oldRef, (StructRefValue) value, prop );
		}
		
		if ( value == null )
			propValues.remove( propName );
		else
			propValues.put( propName, value );
	}
	/**
	 * Returns the mask of the given property. If the mask of one property has
	 * not been found, looks for its parent or any ancestor.
	 * <p>
	 * Note that this method is only for internal usage. DO NOT call this method
	 * outside the org.eclipse.birt.report.model package.
	 * 
	 * @param module