VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3480
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   2700
   LinkTopic       =   "Form1"
   ScaleHeight     =   3480
   ScaleWidth      =   2700
   StartUpPosition =   2  '屏幕中心
   Begin VB.ComboBox cob 
      Height          =   300
      Left            =   240
      TabIndex        =   0
      Text            =   "Combo1"
      Top             =   360
      Width           =   2055
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim mrc As ADODB.Recordset
Dim cnn As String
Dim I As Long, J As Long
Dim RcN, RcA As Long

Private Sub cob_Click()
cob = Trim(Mid(cob.Text, 6, 50))
End Sub

Private Sub Form_Load()
    cnn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\db.mdb;Persist Security Info=False"
    Set mrc = New ADODB.Recordset
    With mrc
        .ActiveConnection = cnn
        .CursorLocation = adUseClient
        .CursorType = adOpenStatic
        .LockType = adLockBatchOptimistic
        .Source = "select * from table1"
        .Open
    End With
    
    cob.Clear
    For I = 0 To mrc.RecordCount - 1
      cob.AddItem Trim(Format(mrc.Fields(0), "0000") & "|" & mrc.Fields(1))
      mrc.MoveNext
    Next I
End Sub