How do I create an empty MDB from ADO - ado

Question

I need to create an empty .mdb file, so that I can then run ADO commands on it (not ADO.NET). Is there a way to create an empty mdb using ADO?

Answer 1

Here are some code snippets that work:
string sADOProvider = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=";
ADOX.CatalogClass cat = new ADOX.CatalogClass();
string sCreate = MainForm.sADOProvider + sFullPath;
cat.Create(sCreate);
// The point of this code is to unlock the access file after we
// create it. You can tell it is unlocked if the .ldb file disappears.
System.Runtime.InteropServices.Marshal.ReleaseComObject(cat);
cat = null;
GC.Collect();

Answer 2

Not sure about creating it directly via ADO, but if Access is installed on the machine you could use Access to create the file via COM.
below is an early and late bound example. Both methods have their advantages / disadvantages.
Option Explicit
Sub CreateMDBEarlyBound()
'' Remember to set your reference to "Microsoft Access XX.0 Object Library"
Dim acApp As Access.Application
Set acApp = New Access.Application
acApp.NewCurrentDatabase ("c:\temp\MyDB-early.mdb")
Set acApp = Nothing
End Sub
Sub CreateMDBLateBound()
Dim acApp As Object
On Error Resume Next
Set acApp = GetObject(, "Access.Application")
On Error GoTo 0 '' turn off the resume next
If acApp Is Nothing Then
Set acApp = CreateObject("Access.Application")
End If
acApp.NewCurrentDatabase "c:\temp\MyDB-late.mdb"
Set acApp = Nothing
End Sub

Answer 3

In case "not ADO.NET" implies "not .NET", here's Corey Trager's code re-written as VBA:
Const sADOProvider As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="
Const sFullPath As String = "C:\DeleteMe.mdb"
Dim cat As ADOX.Catalog
Set cat = New ADOX.Catalog
Dim sCreate As String
sCreate = sADOProvider & sFullPath
cat.Create sCreate
' The point of this code is to unlock the access file after we
' create it. You can tell it is unlocked if the .ldb file disappears.
Set cat.ActiveConnection = Nothing