Excel：通過一組行中的鍵獲取特定值

Question

我有一個帶有采購訂單的Excel表。例如：

order | order line | line status 
----------------------------------- 
1  | 1   | Received  
1  | 2   | Waiting 
2  | 1   | Received  

我需要與訂單的狀態添加的自動柱（用公式獲得）：

order | order line | line status | order status 
------------------------------------------------------- 
1  | 1   | Received  | Waiting 
1  | 2   | Waiting  | Waiting 
2  | 1   | Received  | Received 

說明：

順序具有一個線收到和一行等待，所以公式必須返回等待，wh ich是整個訂單的狀態。當接收到線路，這兩條線將是接收狀態，所以由以下公式計算的順序的狀態必須爲接收

Answer 1

使用COUNTIFS在IF：

=IF(COUNTIFS(A:A,A2,C:C,"Waiting"),"Waiting","Received") 

穿戴在D2中並抄下來。