UPDATE c
SET c.qty = t.qty ,
c.total = t.total,
c.zsje = t.zsje
FROM dbo.OrderHeader c
JOIN ( SELECT a.orderid ,
sum(a.qty) as qty,
SUM(a.qty*b.price) AS total ,
SUM(a.qty*b.price*b.zk) AS zsje
FROM dbo.OrderDetail a
JOIN dbo.jcjbxxb b ON b.id = a.bookid
WHERE a.orderid IN ( SELECT orderid
FROM inserted
UNION
SELECT orderid
FROM deleted )
GROUP BY a.orderid
) t ON c.id = t.orderid
