Bug 142691 Switch between the window of two design file. The display of the binding list is abnormal.
Description: Switch the window of between two design file. The display of the binding list is abnormal. Step to reproduce: please refer to the screenshot Actual result: The first design files binding data set list will display the second ones.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
try
		{
			page.initialize( this );
			page.init( createSite( page ), getEditorInput( ) );
		}
		catch ( Exception e )
		{
			
			throw new PartInitException( e.getMessage( ) );
		}
		return index;
	}
	/**
	 * Remove report editor page.
	 * 
	 * @param id
	 *            the page id.
	 */
	public void removePage( String id )
	{
		IFormPage page = findPage( id );
		if ( page != null )
		{
			removePage( page.getIndex( ) );
		}
	}
	/**
	 * Remove all report editor page.
	 */
	public void removeAllPages( )