Bug 176457 Use container's column bindings in chart editor
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ReportDataServiceProvider.java
return null;
		}
		return itemHandle.getStyle( ).getName( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.interfaces.IDataServiceProvider#setStyle(java.lang.String)
	 */
	public void setStyle( String styleName )
	{
		try
		{
			if ( styleName == null )
			{
				itemHandle.setStyle( null );
			}
			else
			{
				itemHandle.setStyle( getStyle( styleName ) );
			}
		}
		catch ( SemanticException e )
		{
			ChartWizard.showException( e.getLocalizedMessage( ) );
		}
	}
	private SharedStyleHandle getStyle( String styleName )
	{
		return getReportDesignHandle( ).findStyle( styleName );