frmmain.frm

vb与access数据库的操作实例

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{F0D2F211-CCB0-11D0-A316-00AA00688B10}#1.0#0"; "MSDATLST.OCX"
Begin VB.Form FrmMain 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "演示DataCombo控件和DataList控件"
   ClientHeight    =   3675
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4035
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3675
   ScaleWidth      =   4035
   StartUpPosition =   2  'CenterScreen
   Begin MSDataListLib.DataCombo DataCombo1 
      Bindings        =   "FrmMain.frx":0000
      Height          =   330
      Left            =   240
      TabIndex        =   1
      Top             =   240
      Width           =   3015
      _ExtentX        =   5318
      _ExtentY        =   556
      _Version        =   393216
      Style           =   2
      ListField       =   "DepName"
      BoundColumn     =   "DepId"
      Text            =   "DataCombo1"
   End
   Begin MSDataListLib.DataList DataList1 
      Bindings        =   "FrmMain.frx":0015
      Height          =   2370
      Left            =   240
      TabIndex        =   0
      Top             =   720
      Width           =   3015
      _ExtentX        =   5318
      _ExtentY        =   3889
      _Version        =   393216
      ListField       =   "EmpName"
      BoundColumn     =   "EmpId"
   End
   Begin MSAdodcLib.Adodc Adodc2 
      Height          =   330
      Left            =   240
      Top             =   3000
      Visible         =   0   'False
      Width           =   3015
      _ExtentX        =   5318
      _ExtentY        =   582
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=人事.mdb;Persist Security Info=False"
      OLEDBString     =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=人事.mdb;Persist Security Info=False"
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "SELECT * FROM Employees"
      Caption         =   "Adodc2"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   330
      Left            =   240
      Top             =   0
      Visible         =   0   'False
      Width           =   3015
      _ExtentX        =   5318
      _ExtentY        =   582
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   2
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=人事.mdb;Persist Security Info=False"
      OLEDBString     =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=人事.mdb;Persist Security Info=False"
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "SELECT * FROM Departments ORDER BY DepId"
      Caption         =   "Adodc1"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
End
Attribute VB_Name = "FrmMain"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub DataCombo1_Click(Area As Integer)
  Dim strQuery As String  '声明变量，用来保存SQL语句字符串
  '如果没有选择部分信息，则退出
  If DataCombo1.Text = "" Then
    Exit Sub
  End If
  'DataCombo1.BoundText是当前选择部门编号，
  '以此编号设置SQL语句，读取此部门中的所有员工信息
  strQuery = "Select * FROM Employees WHERE DepId = " _
           + DataCombo1.BoundText
  '设置Adodc2的数据源，并刷新显示
  With Adodc2
  .RecordSource = strQuery
  .Refresh
  End With
End Sub

Private Sub Form_Load()
  DataCombo1.Text = Adodc1.Recordset.Fields(1)
  DataCombo1_Click (0)
End Sub