SQL2005使用BULK INSERT自動讀取文字檔問題？

BULK INSERT dbo.absent <-----我的table  
FROM 'C:\20130120.txt' <-----此文字檔每天檔名依日期自動產生  
WITH (  
DATAFILETYPE = 'char',  
FIELDTERMINATOR = ',',  
ROWTERMINATOR = ',\n',  
KEEPNULLS  
);  
GO