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
* Sets the element name. The caller must have cleaned up any references to
	 * the old name, have changed any name spaces as needed, have verified the
	 * name, and so on.
	 * <p>
	 * Part of: The name system.
	 * 
	 * @param newName
	 *            The name to set.
	 */
	public void setName( String newName )
	{
		name = newName;
	}
	/**
	 * Returns the container element.
	 * <p>
	 * Part of: The containment system.
	 * 
	 * @return Returns the container.
	 */
	public DesignElement getContainer( )
	{
		return container;
	}
	/**
	 * Caches the child-to-container relationship. The caller must have
	 * validated that the relationship is valid.
	 * <p>
	 * Part of: The containment system.
	 *