>>>
>>>Thanks a lot in advance.
>>>
>>>UPDATE. I see in web.config that we were using server database. But in any case, there was a local version of the database which I'm missing now.
>>
>>
>>Could you see it with SSMS?
>
>This is how I'm trying to see it. How else should I try?
>
>Should I try to search for MDB files?

Is that database attached to your SQL Srever?
Did you have other instances?
On my computer I have a default instance (for developer edition) and SQLEXPRESS one (when I installed VS 2008).
Default location for DBs is \Program Files\Microsoft SQL Server (version here)\MSSQL.(instance number)\DATA