>>>Thanks. I'm stuck right now with the user I'm trying to add for web app, so it would be the same as I had it on the test server.
>>>
>>>But may be I don't need the whole thing and new user, but rather use Windows Authentication for local tests?
>>
>>Not sure what you are asking about. Are you referring to a user account for the website or to the SQL account used by the site to access the database?
>
>SQL account. BTW, I can not find Project menu in the menu.

I'm assuming a VS2005 WebApplication. 'Project' should be right there on the main menu (assuming you've got the project open and selected)

>
>I substituted the server name with my local server name in the connection string. But the original connection string was using a special user. I tried to create it in SQL Server, but it doesn't work and I can not login using this user's credentials.
>
>:(((((((((((((((

I replied to your post in SQL section. As a first test Try using the login you created via SSMS.