基于ADO+Adodc控件+DataGrid控件制作的一个数据库编辑程序（完整原程序）

数据库数据编辑演示程序，在WIN98调试通过，详细请自行下载进行学习测试，程序大小29K

下载地址:http://www.lshdic.com/download/lshdic/vb_adoedit.zip

代码浏览：

Dim dataname As String

Private Sub Command1_Click()

d.DialogTitle = "打开一个Access数据库进行编辑"

d.FileName = ""

d.InitDir = App.Path

d.Filter = "Access数据库文件MDB后缀|*.mdb"

d.ShowOpen

If d.FileName = "" Then Exit Sub

list1.Clear

Set link1 = New ADODB.Connection '创建ADO连接

link1.Open "Provider=Microsoft.Jet.OLEDB.4.0;data source=" & d.FileName

Set tables = link1.OpenSchema(adSchemaColumns) '创建数据库记录集为了得到数据库中所有表名

oldtablename = ""

Do While Not tables.EOF

If tables("table_name") <> oldtablename Then

oldtablename = tables("table_name"): list1.AddItem oldtablename

End If

tables.MoveNext

Loop

If list1.ListCount = 0 Then MsgBox "数据库打开失败，或数据库不存在表", vbCritical, "错误": Exit Sub

dataname = d.FileName

list1.Enabled = True: Command2.Enabled = True

list1.ListIndex = 0: list1_click

End Sub

Private Sub Command2_Click()

ldc.Recordset.Update '更新ldc记录集

End Sub

Private Sub Form_Resize()

edit.Width = Me.ScaleWidth - 200

edit.Height = Me.ScaleHeight - edit.Top - 50

End Sub

Private Sub list1_click()

'ldc控件连接数据源

ldc.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;data source=" & dataname & ";Persist Security Info=False"

'ldc控件使用SQL命令，GET数据源数据

ldc.RecordSource = "select * from " & list1.Text

ldc.Refresh: Label1.Caption = "共" & ldc.Recordset.RecordCount & "条记录," & ldc.Recordset.Fields.Count & "个分类字段"

End Sub