Error occour while attaching .mdf file in sql server

Aug 16 2011 2:45 PM

Hi,
i was using sqlserver 2005 and i had created some .mdf file for use bt recently i have installed sql server 2008 in my system but when i am trying to attach my mdf file i am gating same error with all mdf file ..please suugest me what i have to do for that....