andrew! thanks for your reply!

But my problem is not that I can't find the "xp_fileexist".

My problem is that I can't find the file I want to looking for when I...

Thanks , Vinny.

If "Index" on Partitioned-View is impossible,

I think I got the answer!

Thanks, every guy! 

Dear Osoba:

I know what you mean, thanks!

But my local partitioned-view is created from 12 "the same" Table

For example

Create View [X_View]

WITH SCHEMABINDING

AS

select [c1],[c2],[c3] from [owner].[test_01]

union all

select [c1],[c2],[c3] from [owner].[test_02]

union all

.

.

select...