江西广告网

标题: 测试使用 ADOX方 便的查询表和字段 [打印本页]

作者: 云锁雾楼    时间: 2009-1-18 17:16
标题: 测试使用 ADOX方 便的查询表和字段
     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.1ersist 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       <




欢迎光临 江西广告网 (http://bbs.jxadw.com/) Powered by Discuz! X3.2