Indexes Append Method Example (VB)
The following code demonstrates how to create a new index. The index is on two columns in the table.
Attribute VB_Name = "IndexesAppend"
Option Explicit
' BeignCreateIndexVB
Sub Main()
On Error GoTo CreateIndexError
Dim tbl As New Table
Dim idx As New ADOX.Index
Dim cat As New ADOX.Catalog
'Open the catalog.
' Open the Catalog.
cat.ActiveConnection = "Provider='Microsoft.Jet.OLEDB.4.0';" & _
"Data Source='Northwind.mdb';"
' Define the table and append it to the catalog
tbl.Name = "MyTable"
tbl.Columns.Append "Column1", adInteger
tbl.Columns.Append "Column2", adInteger
tbl.Columns.Append "Column3", adVarWChar, 50
cat.Tables.Append tbl
Debug.Print "Table 'MyTable' is added."
' Define a multi-column index
idx.Name = "multicolidx"
idx.Columns.Append "Column1"
idx.Columns.Append "Column2"
' Append the index to the table
tbl.Indexes.Append idx
Debug.Print "The index is appended to table 'MyTable'."
'Delete the table as this is a demonstration
cat.Tables.Delete tbl.Name
Debug.Print "Table 'MyTable' is deleted."
'Clean up
Set cat.ActiveConnection = Nothing
Set cat = Nothing
Set tbl = Nothing
Set idx = Nothing
Exit Sub
CreateIndexError:
Set cat = Nothing
Set tbl = Nothing
Set idx = Nothing
If Err <> 0 Then
MsgBox Err.Source & "-->" & Err.Description, , "Error"
End If
End Sub
' EndCreateIndexVB