form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Object = "{00028C01-0000-0000-0000-000000000046}#1.0#0"; "DBGRID32.OCX"
Begin VB.Form Form1 
   Caption         =   "部分或全部清除数据库数据"
   ClientHeight    =   3750
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   8610
   LinkTopic       =   "Form1"
   ScaleHeight     =   3750
   ScaleWidth      =   8610
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command3 
      Caption         =   "退出"
      Height          =   360
      Left            =   6975
      TabIndex        =   3
      Top             =   3330
      Width           =   1575
   End
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access"
      DatabaseName    =   "E:\明日vb编程500例\数据库\清空数据库\mrlc.mdb"
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   420
      Left            =   45
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   "kc"
      Top             =   3270
      Visible         =   0   'False
      Width           =   1635
   End
   Begin MSDBGrid.DBGrid DBGrid1 
      Bindings        =   "Form1.frx":0000
      Height          =   3165
      Left            =   75
      OleObjectBlob   =   "Form1.frx":0014
      TabIndex        =   2
      Top             =   75
      Width           =   8475
   End
   Begin VB.CommandButton Command1 
      Caption         =   "清空库存为零的"
      Height          =   360
      Left            =   3690
      TabIndex        =   0
      Top             =   3330
      Width           =   1575
   End
   Begin VB.CommandButton Command2 
      Caption         =   "全部清空"
      Height          =   360
      Left            =   5340
      TabIndex        =   1
      Top             =   3330
      Width           =   1575
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
  Dim db As Database
  Set db = Workspaces(0).OpenDatabase(App.Path & "\mrlc.mdb")
  Dim sql As String
  sql = "delete * from kc where kc.库存=0"
  db.Execute sql
  Data1.Refresh
End Sub
Private Sub Command2_Click()
  Dim db As Database
  Set db = Workspaces(0).OpenDatabase(App.Path & "\mrlc.mdb")
  Dim sql As String
  sql = "delete * from kc "
  db.Execute sql
  Data1.Refresh
End Sub
Private Sub Command3_Click()
  Unload Me
End Sub