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Cannot open database "Northwind" requested by the login. The login failed.

Posted on 2008-06-25
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Last Modified: 2013-11-06
Hello,

I know my question has always been asked here but I haven't found the solution.
I use vista (but same problem with XP), sql Server 2005 express and vs 2005 in cx#

This is my code :
string connectionString =
              @"Data Source=.\SQLExpress;Initial Catalog=Northwind;Integrated Security=True";

          try {
            using(SqlConnection connection= new SqlConnection(connectionString)){
                connection.Open();

                System.IO.StringWriter sw= new System.IO.StringWriter();
                sw.WriteLine("Connection Time Out : " + connection.ConnectionTimeout);
                sw.WriteLine("State : " + connection.State);
                sw.WriteLine("Connection String : " + connection.ConnectionString);

                DisplayText.Text = sw.ToString();
            }


My horror message :
Cannot open database "Northwind" requested by the login. The login failed.
Login failed for user 'PC-Medion\Pascale'.

I have no idea to make it works.


THanks
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Comment
Question by:myebay
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6 Comments
 
LVL 8

Expert Comment

by:sbagireddi
ID: 21869530
Are you able to login using those credentials via Management Studio?
0
 

Author Comment

by:myebay
ID: 21869719
I've just installed Management studio express. What is credential  (I 've seen where is it)? WHat should I do with that?
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LVL 8

Accepted Solution

by:
Chumad earned 2000 total points
ID: 21869720
Some of these may be obvious:

1) Has SQL server actually been setup on your system? Are you sure you have an instance of it called .\SQLExpress?
2) Is there really a database called NorthWind? I know it's a default, but did you tell it to install?
3) Can you setup a username/pwd inside Sql Server (Using Management Studio), then NOT use Integrated Security and instead pass your username/pwd like this as the connection string: "data source=.\SQLExpress;database=Northwind;uid=someUser;pwd=somePassword" (be sure to insert your username/pwd into the string as indicated).
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LVL 8

Expert Comment

by:Chumad
ID: 21869728
For the Management Studio, if you don't know the username/pwd, then try to use Windows Authentication and see if you can get in.  
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Author Comment

by:myebay
ID: 21869969
Now it works !!!

In fact, it's stupid... no Northwind installed in Sqlexpress 2005. I was sure I had it.

I had another problem that I've solved. I could do anything in the database, I had always Permission Denied.

I've found the solution here :

http://blog.techdreams.org/2007/11/create-database-permission-denied-sql.html

And now everything works fine :)

Thank chumad
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Author Closing Comment

by:myebay
ID: 31470743
THank for your lights :)
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