测试使用 ADOX方 便的查询表和字段

发表于:2007-06-21来源:作者:点击数: 标签:
添加2个列表框,1个按钮 '引用微软 ADO Ext.2.X for dll and Security Dim cat As ADOX.Catalog Dim cnn As ADODB.Connection Dim tbl As ADOX.Table Private Sub Command1_Click() On Error Resume Next For Each tbl In cat.Tables '如果是 sql server 数

   
  
  添加2个列表框,1个按钮
  
  '引用微软 ADO Ext.2.X for dll and Security
  
  Dim cat As ADOX.Catalog
  
  Dim cnn As ADODB.Connection
  
  Dim tbl As ADOX.Table
  

  Private Sub Command1_Click()
  
  On Error Resume Next
  
  For Each tbl In cat.Tables
  
  '如果是sqlserver数据库,则变成If Left(tbl.Name, 3) <> "sys"
  
  If Left(tbl.Name, 4) <> "MSys" Then
  
  List1.AddItem tbl.Name
  
  End If
  
  Next
  
  End Sub
  
  Private Sub Form_Load()
  
  Set cnn = New ADODB.Connection
  
  Set cat = New ADOX.Catalog
  
  cnn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=F:\csdn_vb\database\article.mdb"
  
  'cnn.Open "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=northwind;Data Source=yang"
  
  Set cat.ActiveConnection = cnn
  
  End Sub
  
  Private Sub Form_Unload(Cancel As Integer)
  
  Set cat = Nothing
  
  Set con = Nothing
  
  End Sub
  
  Private Sub List1_Click()
  
  Dim fld
  
  Dim intfield As Integer
  
  List2.Clear
  
  intfield = cat.Tables(List1.List(List1.ListIndex)).Columns.Count
  
  For i = 0 To intfield - 1
  
  Set fld = cat.Tables(List1.List(List1.ListIndex)).Columns(i)
  
  List2.AddItem fld.Name & " " & fld.Type & " " & fld.DefinedSize
  
  Next
  
  End Sub

原文转自:http://www.ltesting.net