02. maj 1999 - 00:00
Der er
1 løsning
Database
Hvilken kommando bruges der for at åbne en ODBC db, i viual basic, giv evt et eks.
Den aller nemmeste måde er at lægge en datakontrol på en Form, og henvise dens DATABASENAME til en databasefil, og derefter henvise dens RECORDSOURCE til den tabel du skal bruge i databasen, hvis din kontrol nu hedder DATA1 ,så kan du derefter placere et tekstfelt i formen og så henvise dens DATASOURCE til DATA1 og dens DATAFIELD til det felt i tabellen som du skal bruge!
Eller du kan bruge den Hardcore måde:
Her er et eksempel fra VB egen bruger manual.
Dim wrkJet As Workspace
Dim dbsNorthwind As Database
Dim dbsPubs As Database
Dim dbsPubs2 As Database
Dim dbsLoop As Database
Dim prpLoop As Property
' Create Microsoft Jet Workspace object.
Set wrkJet = CreateWorkspace("", "admin", "", dbUseJet)
' Open Database object from saved Microsoft Jet database
' for exclusive use.
MsgBox "Opening Northwind..."
Set dbsNorthwind = wrkJet.OpenDatabase("Northwind.mdb", _
True)
' Open read-only Database object based on information in
' the connect string.
MsgBox "Opening pubs..."
Set dbsPubs = wrkJet.OpenDatabase("Publishers", _
dbDriverNoPrompt, True, _
"ODBC;DATABASE=pubs;UID=sa;PWD=;DSN=Publishers")
' Open read-only Database object by entering only the
' missing information in the ODBC Driver Manager dialog
' box.
MsgBox "Opening second copy of pubs..."
Set dbsPubs2 = wrkJet.OpenDatabase("Publishers", _
dbDriverCompleteRequired, True, _
"ODBC;DATABASE=pubs;DSN=Publishers;")
' Enumerate the Databases collection.
For Each dbsLoop In wrkJet.Databases
Debug.Print "Database properties for " & _
dbsLoop.Name & ":"
On Error Resume Next
' Enumerate the Properties collection of each Database
' object.
For Each prpLoop In dbsLoop.Properties
If prpLoop.Name = "Connection" Then
' Property actually returns a Connection object.
Debug.Print " Connection[.Name] = " & _
dbsLoop.Connection.Name
Else
Debug.Print " " & prpLoop.Name & " = " & _
prpLoop
End If
Next prpLoop
On Error GoTo 0
Next dbsLoop
dbsNorthwind.Close
dbsPubs.Close
dbsPubs2.Close
wrkJet.Close