its pretty straightforward
CREATE VIEW vw_FileDetails
AS
SELECT f.File_ID,f.File_name,f.File_Date,
o.TotalQty,o.[No of Orders],o.[No of Batches],o.[Total Value]
FROM File f
INNER JOIN (SELECT File_ID,
SUM(order_Qty) AS TotalQty,
COUNT(order_ID) AS [No of Orders],
COUNT(DISTINCT Batch_ID) AS [No of Batches],
Sum (order_qty*order_piece_value) AS [Total Value]
FROM Order
GROUP BY File_ID)o
ON o.File_ID = f.File_ID
GO