>>>>>
>>>>>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
>
>I found some database files in MSSQL.1\MSSQL\Data. I found there AdventureWorks, for example, which I also don't see in SSMS. However, the database I was looking for is not there. I guess originally I was just connecting to the sever too and didn't notice that.

If you have MSSQL.1-4 that you have 4 instances of SQL Server installed. Just try to connect to each one and see where the data is.