Cannot Connect To SQL Express Db With Visual C++

Mar 22, 2007

I've installed both SQL Server Express and Visual C++. I'm trying to connect to a SQL database, but keep receiving various errors. This is what I've done so far.

1. Eventually, I used the surface area manager to allow a remote connect.

2. The server and my development environment exist on the same virtual machine, I created with Virtual Pc.

3. I'm running Vista as my operating system.

4. My Data Source wizard looks like this:

Data Source: MS SQL Database File

Database file name: C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataETS.mdf

If I use Windows Authen I get the following error:

Unable to open physical file "C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataETS_log.ldf" Operating System Error 5: (Access is Denied). An attempt to attach to an auto-named database for file C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataETS.mdf failed. A database with the same name exist , or specified file cannot be opened, or it is located on a UNC share.



If I use SQL Server Authen I get the following error:

Failed to generate a user instance of SQL Server. Only an integrated connection can generate a user instance. The connection will be closed.



I'm new to this. I really would like help in knowing what these errors mean and how to get pass them. But this is very, very, very, frustrating. First off, there was no instructions on allowing remote connections. I stumble upon it myself. Giving permission to the file, stumble upon myself. I spent 4 days with a You do not have permission to open file error. Didn't realize I didn't have permission.

I need a step by step on what to do. I can be emailed at gregw.energytaxsolutions@hotmail.com if need be.



If this is in the wrong place, moderator please move to the correct area.

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Line 18: OleDbDataAdapter objAdapter = new OleDbDataAdapter(strSQL, objConnection);
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Stack
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System.Web.UI.Control.OnLoad(EventArgs e) +67
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I'm using Microsoft Visual Studio to remotely connect to my database for the project I am working on.
I always get the same error, when I try to connect:




Code Snippet

An error has occurred while establishing a connection to the server.
When connecting to the SQL Server 2005, this failure may be caused by the
fact that under the default settings SQL Server does not allow remote
connections. (provider: Named Pipes Provider, error: 40 - Could not
open a connection to the SQL Server)
So, I decided to ping the server to see if any packets were being sent back to me, on the command prompt.
4 of my packets were sent to the server.
0 were sent back.




Code Snippet

Pinging sq15.bravehost.com [172.16.0.229] with 32 bytes of data

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 172.16.0.229:
Packets: Sent = 4, Recieved = 0, Lost = 4 (100% loss),
So, does the database not allow incoming connections, or am I missing something?

Thanks for the help in advance,
Dustin.

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