Can't Connect To SQL Server Express - Error Access Denied

Hi,

I have been for years using the following code locally in native ASP (except different UID and PWD and file path for the msado15.dll) with SQL Server 2000 on XP to do my development and then I upload to the web site later (uses different objConn etc when live). I've now tried to use the same for SQL Server Express and Vista and always get the "does not exist or access denied" error ( 2147467259).

I only want to use SQL Server locally from the machine I'm developing on as I upload the tested "ASP" code to the server which runs it. The SQL Server Browser is running and I have checked the Firewall exclusions for sqlservr.exe. Also I installed it with out Windows Logon (same as I had for SQL Server 2000).

Any ideas, I tried using the Data Source=localhost instead of explicitly defing the path except that had no affect either, I also changed the rshstest_data.mbf to rshstest.mbf as well also to no affect as there appears a difference with this in 2000 and Express?

Any suggestions would be appreciated, thanks..

<!-- METADATA TYPE="typelib"
FILE="e:Program FilesCommon FilesSystemadomsado15.dll" -->
<%
on Error resume next
objConn.Close
Set objConn = Nothing
Dim objConn
Set objConn = Server.CreateObject("ADODB.Connection")
objConn.Open "Provider=SQLOLEDB;Persist Security Info=False;" & _
"User ID=xx;Password=xx;Initial Catalog=rshstest;" & _
"Initial File Name=C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLData
shstest_data.mdf"
' "Data Source=localhost;"

Dim strConnect
strConnect = "Provider=SQLOLEDB;Persist Security Info=False;" & _
"Provider=SQLOLEDB;Persist Security Info=False;" & _
"User ID=xx;Password=xx;Initial Catalog=rshstest;" & _
"Initial File Name=C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLData
shstest_data.mdf"
' "Data Source=localhost;"