Bug 176784 always-excluding-first and always-excluding-last in item properties pop up error[00]
Details: always-excluding-first and always-excluding-last in item properties pop up error Step: 1.New a report and add a label 2.Select the label and switch properties tab. 3.Select the section and set the page break as always-excluding-first or always-excluding-last. actual result: Pop up an error excepted result: If these selection are not supported, and please remove them. If these selection are supported, it can be set to the item.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/views/attributes/providers/ChoiceSetFactory.java
* Gets all the DataSets available.
	 * 
	 * @return A String array contains all the DataSets.
	 */
	public static String[] getDataSets( )
	{
		ArrayList list = new ArrayList( );
		ModuleHandle handle = SessionHandleAdapter.getInstance( )
				.getReportDesignHandle( );
		for ( Iterator iterator = handle.getVisibleDataSets( ).iterator( ); iterator.hasNext( ); )
		{
			DataSetHandle DataSetHandle = (DataSetHandle) iterator.next( );
			list.add( DataSetHandle.getQualifiedName( ) );
		}
		return (String[]) list.toArray( new String[0] );
	}
	
	/**
	 * Gets all the Cubes available.
	 * 
	 * @return A String array contains all the Cubs.
	 */
	public static String[] getCubes( )
	{
		ArrayList list = new ArrayList( );
		ModuleHandle handle = SessionHandleAdapter.getInstance( )
				.getReportDesignHandle( );
		for ( Iterator iterator = handle.getVisibleCubes().iterator( ); iterator.hasNext( ); )
		{
			CubeHandle CubeHandle = (CubeHandle) iterator.next( );