Connecting SQLExpress && Visual C# 2005
Nov 13, 2006
Hi
I have started to create a databse using SQL Server Management Studio Express, just a few tables, one with data. I now want to creat a some windows forms to populate the tables. However when I try to use the Add New Data Source wizard, I get an error when I try to create the connection string, but I have managed to connect to a copy of AdventureWorks located in the same parent directory.
Error is :
Unable to open the physical file "...". Operating system error 32: "32(The process cannot access the file because it is being used by another process.)".
An attemp to attach an auto-named database for file ... failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
As I can connect to AdventureWorks, I presume Windows thinks the file is open, but I have no idea why, how to check, or how to close it.
TIA
Graham
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Mar 3, 2007
Hello all,
I've been trying to find an answer to this to no avail. I'm not even sure if its possible. I like to do development at home in addition to work, like most of you do. Since it is my home computer, I like to play games, so I try to keep applications to a minimum. I would like to install sqlexpress on a virtual machine (which I have successfully done), and I can connect to it via Management Studio on my local machine (non-vm). Is there a way to set visual studio to use this connection as opposed to local host? I really do not want to load sqlexpress on my local machine and have yet another thing tying up system resources.
Your feedback is appreciated.
Barret
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Jul 8, 2007
Hi all,I'm having a big problem here. I can't seem to connect to a database of MSSQL Server 2005... Here is what I've did:1. Under the Server Explorer>Data Connections. Right click and choose "Add Connection..."2. Data Source was "Microsoft SQL Server Database File". Click OK.3. I browse to the database in the MSSQL.2/MSSQL/Data folder.4. Click on the "Advanced" button, and change the default DataSource from .SQLEXPRESS to .MSSQLSERVER. Click OK5. Received this error:An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default setting SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 25 - Connection string is not valid) Only .SQEXPRESS that I was able to connect to... i've tried the solution from Microsoft, opened SQL Server 2005 Surface Area Configuration and enabled "Local and remote connections", checked the option "Using both TCP/IP and named pipes" but it didn't help. This is frustrating because I can't get the Membership provider, login to work on my host. Please help. Thank you very much,Kenny.
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Jul 9, 2006
Hi
I have a problem with sqlexpress
I'm using sqlexpress 2005 with asp.net 2 and all things work in my computer good
but when i upload it on the internet in my host it return this error :
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
I am using sql server locally and i'm not using it remotly
i just created a simple page (just have a detailsview) and upload it to the internet
and then upload my mdf and ldf files to the app_data folder
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Sep 29, 2006
I had SQL Server Express Edition installed. I then uninstalled both it and Visual C#. I then installed SQL Server 2005 Developer's Edition and reinstalled Visual C# -- both on the same machine. I can connect to SQL Server 2005 using SQL Server Management Studio. However, Visual C# is a different story. When I try to add a new Data Connection, it defaults the data source to .SQLEXPRESS, which is no longer on my machine. I can select .MSSQLSERVER, but when I click on either OK or Test Connection, I time out with an error message -- error 25 - Connection string is not valid. The connection string that is shown at the bottom of the Advanced dialog box is -- Data Source=.MSSQLSERVER;AttachDbFilename=E:InventoryDataInventory_Data.MDF;Integrated Security=True;Connect Timeout=30;User Instance=True
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Apr 14, 2008
ok so i have set up SQL server 2005 on a Windows server 2003 machine. I am trying to connect to it via ODBC and/or Visual Studio 2005 on a computer running off the same switch. I have set SQL server to accept remote connections and named pipes as well as had the port unblocked. when i try and connect to it via Vista ODBC wizard or visual studio wizard it says that the server is not there or access is denied.
The server is set up for SQL authentication and i am 100% pos that the username/password i am using is correct. i am at a total loss as to what to do to get my vista machine to talk to that SQL server.
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Dec 27, 2007
hi
I m rishabh
Can some1 hel me with the connection of SQl server 2000 and visual studio 2005 for the ASP.NET web application.
the Express edition was instaled on my computer with the visual studio installation but later i hav uninstalled the express edition and have now installed the 2000 sql server, but could not able to connect ..
can some1 please hel me out with this...
thanking you
rishabh
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Dec 28, 2007
hello guys ..
can some1 could help me the connection bw the Visual Studio 2005 and the SQL Express Edition which is there provided by the Setup only....
i am a bignner and i am doing it by my one with a reference of book called APRESS- Beginning ASP.NET 2 in c#.
i hav reached to the data access part of the book , almost half completed but i got stuck here...
the pubs database was not inbuilt i have made it by right-click on the "DataConnection" in the "Server Explorer" and making the new database......named "pubs"
the code i hav wrote in the "Default.aspx.cs" isstring connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=pubs;";SqlConnection myConnection = new SqlConnection(connectionString);
try
{
myConnection.Open();Label1.Text = "server version" + myConnection.ServerVersion;Label2.Text = "connection is :" + myConnection.State.ToString();
}catch (Exception err)
{Label1.Text = "err reading the DataBase ";
Label1.Text += err.Message;
}
finally
{
myConnection.Close();Label1.Text += "now the connection is :";
Label1.Text += myConnection.State.ToString();
}
on debuging the above code the error i m geting is :
err reading the DataBase (print statement)
Login failed for user ''. The user is not associated with a trusted SQL Server connection (error)
.now the connection is :Closed (print statement)
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May 21, 2008
Hi all!On a server computer, I have SQL server 2005 express edition installed, and am using that for my web server, but I want to develop the applications in Visual Web Developer on a remote machine on my LAN. This means I will have to connect VWD to the remote SQL server, to work with the databases.How do you connect VWD to a Remote SQL server?Thanks!
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Jul 20, 2006
I have Visual Studio 2003 and had used it successfully with MSDE. I recently upgraded to SQL 2005 Express and cannot seem to connect to the SQL server. it appears in the list of servers on localhost, but when I try to create a new database it tells me that it "cannot create databases on this server." It will not even open up any existing databases.
I have .NET 2.0 installed. I uninstalled SQL and reinstalled it, but nothing seems to help. I feel I must be missing something, but do not know what.
I no longer have the MSDE installation files, so I hope I can get Studio to talk to SQL Express.
Any help is appreciated.
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Oct 30, 2007
Hi
I am following a project to build a small E-Commerce site from a book I have purchased and I have having problems connecting to the SQL Database with the code supplied.
The book is Apress Beginning ASP.NET 1.1 E-Commerce
http://www.amazon.co.uk/Beginning-ASP-Net-1-1-E-Commerce-Professional/dp/1590592549/ref=sr_11_1/202-7684451-7995058?ie=UTF8&qid=1193780707&sr=11-1
The code added to the Web.Config file is :
<configuration>
<appSettings>
<add key="ConnectionString" value="Server=(local)NetSDK;Integrated Security=True;Initial Catalog=JokePoint" />
</appSettings>
The connection details are in a class file called Catalog.vb and is as follows
Imports System.Data.SqlClientPublic Class Catalog
Public Shared Function GetDepartments() As SqlDataReader
'Create the connection objectDim connection As New SqlConnection(connectionString)
'Create and initialize the command objectDim command As New SqlCommand("GetDepartments", connection)
command.CommandType = CommandType.StoredProcedure
'Open the connection
connection.Open()
'Return a SqlDataReader to the calling functionReturn command.ExecuteReader(CommandBehavior.CloseConnection)
End Function
Private Shared ReadOnly Property connectionString() As String
GetReturn ConfigurationSettings.AppSettings("ConnectionString")
End GetEnd Property
End Class
The error is.....
Cannot open database "JokePoint" requested by the login. The login failed. Login failed for user 'MachineNameASPNET'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Cannot open database "JokePoint" requested by the login. The login failed. Login failed for user 'MachineNameASPNET'.Source Error:
Line 15: 'Open the connection
Line 16:
Line 17: connection.Open()
Line 18:
Line 19: 'Return a SqlDataReader to the calling function
Source File: C:MyCommerceSiteJokePointBusinessObjectsCatalog.vb Line: 17 Stack Trace:
[SqlException: Cannot open database "JokePoint" requested by the login. The login failed.
Login failed for user 'MachineNameASPNET'.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
System.Data.SqlClient.SqlConnection.Open()
JokePoint.Catalog.GetDepartments() in C:MyCommerceSiteJokePointBusinessObjectsCatalog.vb:17
JokePoint.DepartmentsList.Page_Load(Object sender, EventArgs e) in C:MyCommerceSiteJokePointUserControlsDepartmentsList.ascx.vb:44
System.Web.UI.Control.OnLoad(EventArgs e)
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Page.ProcessRequestMain()
The connection tests ok in Visual Studio 2003. All permissions are set using SQL Management Studio Express 2005.
The book is using SQL 2000, I have been trying different connection syntax's in the Web.Config file all day and now I have a big headache. I know its something simple, can anyone please advise ?
Thanks in advance.
Mark
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Dec 19, 2007
hello eveyone..i have just downloaded and installed the visaul web developer 2005 express edition and sqlserver 2005 express edition.On top of that i even downloaded and installed the northwind database.But my problem is when i am connecting to the northwind database by clicking toos menu>connect to the database>choose datasource>new connection>..i have provided it with the required information..but as soon as i press "Test Connection" button the following error box displays.. "an error has occured while establishing a connection to the server.when connecting to the sql server2005,this failure may be caused by the fact that under default settings sql server doestnot allow remote connections.(provider:Named piped providers,error:40-couldnot open a connection to sqlserver.)" i have no idea whats is all about..can anyone get me pass this error..
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Jan 11, 2006
I was wondering if it is possible to connect the SQL Server 2005 Express Version to Visual Studio 2003.If its possible , how can it be done?Cos i seem to have an error if i do so.
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Apr 17, 2008
As of right now I have two networked machines. I have a sql database on one that I have no problem connecting to, but I cannot connect to the database from the second machine.
From the second machine, I've come up with this connection string after all my research...
"server=[MACHINE_NAME]SQLExpress;databse=[NAME];User ID = sa;Password=[PASS]"
I keep getting a cannot connect to database error.
Any ideas?
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Nov 16, 2005
Migrating a site to a new server. Moved data to SQLExpress. Changed connection string to point to SQLExpress and now I am getting this error.
Microsoft OLE DB Provider for SQL Server error '80004005'
Cannot open database "PHCSQL" requested by the login. The login failed.
/func/inc_DatabaseFunctions.inc, line 5 Do I need to do permissions differently than MSDE?Did connection strings change?Help?
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Apr 28, 2006
hi,i'm using classic asp to try and connect to a sqlexpress database on a development server. i get the following error:
Microsoft OLE DB Provider for SQL Server (0x80004005)
[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.
/dbtest.asp, line 8
I'm using the following script which runs fine against a regular SQL server (version 8) on the network.
<%@LANGUAGE="JAVASCRIPT"%>
<%
var strCon, conn, sql;
strCon = "Provider=SQLOLEDB.1;Data Source=localhost;Initial Catalog=rapidHB;User Id=rapid;Password=xxx";
conn=Server.CreateObject("ADODB.Connection");
conn.Open(strCon);
sql = "SELECT product_code FROM products WHERE product_type = 1";
var results= conn.Execute(sql).GetString();
Response.write(unescape(results));
%>
I have tried changing Data Source to servernameSQLEXPRESS, changing initial catalog to master, using a user name defined on the database and changing the provider to SQLNCLI but nothing has worked.
Anyone got any idea what I'm doing wrong? Using ASP.Net is not an option.
Rgds,
lukemack
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Jul 29, 2006
Hi all,
I'm getting this error message from the ASP.NET configuration manager in VS 2005 Pro:
There is a problem with your selected data store. This can be caused by an invalid server name or credentials, or by insufficient permission. It can also be caused by the role manager feature not being enabled. Click the button below to be redirected to a page where you can choose a new data store.
The following message may help in diagnosing the problem: Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance. The connection will be closed.
I have no problem connecting using the sql server management studio tool.
I need help ASAP, can't afford the down time.
Thanks,
Andy
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Oct 2, 2006
How do I connect to the SQLEXPRESS installed on my computer without network connection (as a standalone computer)?
Thanks.
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Aug 28, 2007
Hi all,
I copied the following set of C# code statement from a website to learn the SqlBulkCopy instance via SQLEXPRESS-ADO.NET 2.0-Visual C# Express:
/////////////////////----Main.cs---//////////////////////
sing System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace SqlBulkCopySample
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
}
private void btnStart_Click(object sender, EventArgs e)
{
String sourceConnectionString =
"Data Source=.SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True";
String destinationConnectionString =
"Data Source=.SQLEXPRESS;Initial Catalog=SqlBulkCopySample;Integrated Security=True";
DataTable data = SelectDataFromSource(sourceConnectionString);
CopyDataToDestination(destinationConnectionString, data);
}
private DataTable SelectDataFromSource(String connectionString)
{
DataTable data = new DataTable();
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand("SelectOrders", connection);
command.CommandType = CommandType.StoredProcedure;
connection.Open();
SqlDataReader reader = command.ExecuteReader();
data.Load(reader);
}
return data;
}
private void CopyDataToDestination(String connectionString, DataTable table)
{
SqlBulkCopyColumnMapping mapping1 =
new SqlBulkCopyColumnMapping("OrderID", "ID");
SqlBulkCopyColumnMapping mapping2 =
new SqlBulkCopyColumnMapping("ShipName", "Name");
SqlBulkCopyColumnMapping mapping3 =
new SqlBulkCopyColumnMapping("ShipAddress", "Address");
SqlBulkCopyColumnMapping mapping4 =
new SqlBulkCopyColumnMapping("ShipCity", "City");
SqlBulkCopy bulkCopy = new SqlBulkCopy(connectionString);
bulkCopy.BatchSize = 100;
bulkCopy.BulkCopyTimeout = 5;
bulkCopy.ColumnMappings.Add(mapping1);
bulkCopy.ColumnMappings.Add(mapping2);
bulkCopy.ColumnMappings.Add(mapping3);
bulkCopy.ColumnMappings.Add(mapping4);
bulkCopy.DestinationTableName = "DataMySqlBC1";
bulkCopy.SqlRowsCopied +=
new SqlRowsCopiedEventHandler(bulkCopy_SqlRowsCopied);
bulkCopy.NotifyAfter = 200;
bulkCopy.WriteToServer(table);
}
void bulkCopy_SqlRowsCopied(object sender, SqlRowsCopiedEventArgs e)
{
MessageBox.Show
(String.Format("{0} Rows have been copied.", e.RowsCopied.ToString()));
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
I executed the above project in my local PC (with Adiministrator previlidge/use) that is in our LAN/Network system and I got an error: SecurityException was unhandled - Request for permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'failed. First, I have a question: is this problem related to the remote connection to SQLEXPRESS? Second, I do not know how to solve this problem. Please help and answer my first question and tell me how to solve this problem.
Thanks in advance,
Scott Chang
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Feb 12, 2008
In MFC programming, I have created a dialog box and displayed an edit box.
Please tell me how to retrieve values from SQL server and display in the edit box?
The edit box with the retrived details should appear as read only.
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Aug 3, 2001
is there any way to use Visual Basic and MSSQL without using ODBC?
please let me know.
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Jun 15, 2008
This should be simple - using the server explorer I select the server and then the database that's running on that server. It lets me test the database connection at that point - which does work.
Then when I try to add the database it says -
Could not load file or assembly Microsoft.SqlServer.Management.Sdk.Sfc, Version=10.0.0 ... The system cannot find the file specified.
So far as I can see the specified file is Microsoft.SqlServer.Smo.dll which has a current version of 9.0.242.0 and sits within the SQL Server files. That is also the version number held in the registry.
The version of SQL is 2005. The database was created using Create Database through VS 2008, .net 3.5.
Also, I installed VS 2008 first, which puts in SQL Compact. And then tried installing SQL 2005 Development which still gave the same error message. So I uninstalled SQL Compact and SQL 2005. And then did a clean install of SQL 2005 Developer. Does VS 2008 cope with this?
Is there a version 10 of SMO? Or is there somewhere within SQL or Visual Studio where it could be holding a version number of 10 for the dll? Or any other ideas?
Thanks Mike
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Oct 17, 2007
i have built a web project in visual studio, and i have an instance of sql server express running. when i try to access a database(which is located in the file system) through the web project, i get the following message:
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Unable to open the physical file "C:dbSAMdbSAM.mdf". Operating system error 5: "5(Access is denied.)".
An attempt to attach an auto-named database for file C:dbSAMdbSAM.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
i am running visual studio 2005 professional, on windows XP pro with IIs installed. i also have a report server on the same sql server instance.
any help would be greatly appreciated
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Feb 10, 2008
when i am running both sql server management studio and beb developer and i try to connect to a database in web developer simultaneously it gives me errorfile used by another process file located on UNC sharebut if i am only running web developer it gives me no errorso please tell me how to connect to a same database simultaneously
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Apr 11, 2006
I've downloaded and installed both of these (VWD installs both) and have been trying to run through the walkthrough of setting up a web application which supports membership. However, no matter what I do I invariably get errors like the following:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)
I'm concerned why VWD and VSQL express versions don't run correctly out of the box (so to speak). I'm not an expert on configuring these services -- but that's the point of offering these tools to hobbyists: So we can learn about how to make some of these great applications using MS tools.
My configuration::
Windows XP SP2 -- clean machine as of about a month ago, never had any dev tools, web servers, or the like on it.
IIS is installed and the service says its running
VSQL and VWD express versions installed (no errors on installation)
SQL server service indicates it is running
.Net 2.0 framework installed (no errors on installation)
Note: I've tried installing on two separate machines. Obviously I'm missing something fundamental.
Would someone please help me go through the million things I [apparently] need to do to configure all these tools so I can get on to actually coding up my first web application? If this is documented somewhere, all I can say is I tried to find it but it certainly wasn't obvious.
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Apr 12, 2007
Hi,
I have an ASPNETDB.MDF (asp.net membership/profile db) that was generated for SQL Express, it has user information I need to keep.
I have SQLExpress and full SQL Server 2005 running on the server. I want to remove SQL Express from the server.
So can I simply do a backup of the SQL Express membership db and restore it to full SQL and change the connection string in my app or
do i need to run the membership wizard on full sql and then do the backup / restore?
Or is there another way.
Thanks
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Jan 19, 2006
I ask because I'm still looking for the source of interface problems I have in using the SSIS designer.
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Apr 7, 2006
Here is the error message I get:http://img109.imageshack.us/my.php?image=error2ug.jpgI have just installed both packages and havent done much in the way of configuration... What do i need to do? Thanks!
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Mar 13, 2007
I can't start SQLEXPRESS.
The SQL ERRORLOG shows: Error is 3414, Severity 21, State 2 and says: "An error occurred during recovery, preventing the database 'model' (database ID 3) from restarting." Just prior to this, I get a warning: "did not see LP_CKPT_END".
Any thoughts why this might be and how I can fix this?
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Sep 21, 2006
hiya,
I have sqlExpress and sqlServerManagementStudio on my XP pro box.
Will the installation of sqlExpress (Advanced Services) cause any problems?IS thereanything that I shold be aware of in advance?
many thanks,
yogi
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Sep 26, 2006
Hello all,I develop under vs2005 and sqlExpress. How can I move my database to sql server2005?? I read somewhere that i need to use "sql server management studio express" which i already installed but for some reason I cant attach to a database under my windows XP account (no password for this account). Please help regards,
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Dec 27, 2007
Hi,
I have a web site in asp.net 2003 with sql 2000. Can I run this database with sqlExpress 2005. And what changes would be made in web.config file.
This is due to I am going to check it with Window vista.
Thanks in advance
Naveed baig.
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Sep 26, 2007
Can these two exist side by side? I have SQL Server 2005 (possibly installed when I installed Orcas beta 2?). Now I cannot connect to SQLEXPRESS with error Cannot Login to Default DB - error 4064. Please help!!
Neal
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