Question

vb 2008 express - connection to sql database

Asked by: nmxsupport

Hi,
Running VB 2008 Express and would programmatically write a connection to a sql database.
Will I also need to reference something?

VB6 would be something like this but not sure about VB 2008.

Dim rs as New ADODB.Recordset
Dim Conn As New ADODB.Connection
Public Sub DBConnect()
With
    .CursorLocation = adUseClient
    .ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = C:\Program Files\Microsoft Visual Studio\VB98     \Database Editor\DBEditor.mdb"
    .Open
End With
rs.Open  "SELECT * FROM MT",Conn,adOpenDynamic,adLockOptimistic,adcmdText  
End Sub

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Asked On
2007-12-12 at 06:57:44ID23018352
Tags

2008

,

vb

,

express

,

database

,

sql

Topics

Microsoft Visual Studio Express

,

VB Objects

,

VB Database Programming

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: jkaiosPosted on 2007-12-12 at 12:42:07ID: 20459979

SQL Connnection String:

.ConnectionString = "Provider=Microsoft SQL Server;Data Source=YOURSQLSERVERNAME;Initial Catalog=YOURSQLDATABASE"

Example:

   .ConnectionString = "Provider=Microsoft SQL Server;Data Source=Server1;Initial Catalog=master"

 

by: jkaiosPosted on 2007-12-12 at 12:48:24ID: 20460036

Correction ....

 .ConnectionString = "Provider=SQLOLEDB;Data Source=YOURSQLSERVERNAME;InitialCatalog=YOURSQLDATABASE"

Example:

 .ConnectionString = "Provider=SQLOLEDB;Data Source=Server1;Initial Catalog=master"

 

by: nmxsupportPosted on 2007-12-12 at 13:57:06ID: 20460537

Hi

Think problem lies with
Dim rs as New ADODB.Recordset
Dim Conn As New ADODB.Connection

ADODB does not appear to be valid object and I cannot find which reference I should in VB 2008 Express and whether or not it has been superceded by another?

 

by: jkaiosPosted on 2007-12-12 at 21:20:35ID: 20462550

VB 2008 uses ADO.NET, which I believe is more different in terms of functionality than ADO 2.8.

However, you could try the "late binding" method and see if VB 2008 likes it:

   Dim rs As Object
   Dim Conn As Object

   Set rs = CreateObject("ADODB.Recordset")
   Set Conn = CreateObject("ADODB.Connection")

NOTE: The only draw-back with "late binding" is that the handy IntelliSense feature will not be available.

 

by: kalittaairPosted on 2008-01-02 at 09:59:01ID: 20566179

I know this is late but...

Is the DB you're trying to connect to on your local PC? If not, this is actually by design. The IDE is crippled in VS 2008 Express to only connect to local DB's in both the C# and VB flavors. VWD 2008 Express has no such limitation however since your DB is not likely to reside on your Web server.

You can DL the full-blown VS 2008 package from MIcrosoft now. It is fully-functional but limited to only 90-days. See if you can connect with your code then. If so, then you know it is an Express hang-up.

20120131-EE-VQP-002

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