IGridEventHandler eh = ( IGridEventHandler ) getInstance( gridHandle );
IGridEventHandler eh = getEventHandler( gridHandle, context );
	public static void handleOnPrepare( GridHandle gridHandle,			ExecutionContext context )	{		try		{			IGrid grid = new Grid( gridHandle );			if ( handleJS( grid, gridHandle.getOnPrepare( ), context ).didRun( ) )				return;			IGridEventHandler eh = ( IGridEventHandler ) getInstance( gridHandle );			if ( eh != null )				eh.onPrepare( grid, context.getReportContext( ) );		} catch ( Exception e )		{			log.log( Level.WARNING, e.getMessage( ), e );		}	}