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/Module.java
*            the module to resolve the theme
	 * @return the resolved theme of the report design/library
	 */
	public Theme getTheme( Module module )
	{
		if ( theme == null )
			return null;
		if ( theme.isResolved( ) )
			return (Theme) theme.getElement( );
		IModuleNameSpace resolver = module
				.getModuleNameSpace( Module.THEME_NAME_SPACE );
		ElementRefValue refValue = resolver.resolve( ReferenceValueUtil
				.needTheNamespacePrefix( theme, this ) );
		Theme target = null;
		if ( refValue.isResolved( ) )
		{
			target = (Theme) refValue.getElement( );
			theme.resolve( target );
			target.addClient( this, THEME_PROP );
		}
		return target;
	}
	/**
	 * Resets the element Id for the content element and its sub elements.
	 * 
	 * @param element
	 *            the element to add
	 * @param isAdd
	 *            whether to add or remove the element id
	 * @param forceReSet