>No, that is not the problem. In C# you have to have the second \, I forgot the term used for it though.
>
May be to escape the \
You can always use @ in front of the string so you don't need to escape special characters.

>>I think there is one too many \
>>
>>Try
>>

>>MyComputer\SQLExpress;database=MyDatabaseName;Trusted_Connection=Yes"
>>
>>>Hi,
>>>
>>>When I am testing my ASP.NET to connect to SQL Server I use the following connecting string:
>>>
>>><pre>
>>>connString = "server=MYCOMPUTER\\SQLEXPRESS; database=MyDatabaseName; Trusted_Connection=Yes"
>>>

>>>
>>>But I get an error:
>>>
>>>

>>>Cannot open database "MyDatabaseName" requested by login. The login failed. 
>>>Login failed for user 'MYCOMPUTER\Dmitry' 
>>>

>>>
>>>I suppose the "Trusted_Connection" syntax is not recognized, right? What should I change in my connString?
>>>
>>>TIA