Views- und Fields-Auflistung (VB-Beispiel)

Gilt für: Access 2013, Office 2013

Im folgenden Code wird die Verwendung der Command-Eigenschaft und des Recordset-Objekts veranschaulicht, um Feldinformationen für die Sicht abzurufen.

 
' BeginViewFieldsVB 
Sub ViewFields() 
 On Error GoTo ViewFieldsError 
 
 Dim cnn As New ADODB.Connection 
 Dim rst As New ADODB.Recordset 
 Dim fld As ADODB.Field 
 Dim cat As New ADOX.Catalog 
 
 ' Open the Connection 
 cnn.Open _ 
 "Provider='Microsoft.Jet.OLEDB.4.0';" & _ 
 "Data Source='c:\Program Files\Microsoft Office\" & _ 
 "Office\Samples\Northwind.mdb';" 
 
 ' Open the catalog 
 Set cat.ActiveConnection = cnn 
 
 ' Set the Source for the Recordset 
 Set rst.Source = cat.Views("AllCustomers").Command 
 
 ' Retrieve Field information 
 rst.Fields.Refresh 
 For Each fld In rst.Fields 
 Debug.Print fld.Name & ":" & fld.Type 
 Next 
 
 'Clean up 
 cnn.Close 
 Set cat = Nothing 
 Set rst = Nothing 
 Set cnn = Nothing 
 Exit Sub 
 
ViewFieldsError: 
 
 If Not cnn Is Nothing Then 
 If cnn.State = adStateOpen Then cnn.Close 
 End If 
 
 Set cat = Nothing 
 Set rst = Nothing 
 Set cnn = Nothing 
 
 If Err <> 0 Then 
 MsgBox Err.Source & "-->" & Err.Description, , "Error" 
 End If 
 
End Sub 
' EndViewFieldsVB