form1.frm

主要是实现超市管理系统中条形码的串口编程

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form Form1 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "库存管理"
   ClientHeight    =   6330
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   9075
   LinkTopic       =   "Form1"
   MDIChild        =   -1  'True
   NegotiateMenus  =   0   'False
   ScaleHeight     =   6330
   ScaleWidth      =   9075
   ShowInTaskbar   =   0   'False
   Begin MSDataGridLib.DataGrid DataGrid1 
      Bindings        =   "Form1.frx":0000
      Height          =   5655
      Left            =   120
      TabIndex        =   5
      Top             =   0
      Width           =   8775
      _ExtentX        =   15478
      _ExtentY        =   9975
      _Version        =   393216
      AllowUpdate     =   0   'False
      HeadLines       =   1
      RowHeight       =   15
      BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      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
      ColumnCount     =   2
      BeginProperty Column00 
         DataField       =   ""
         Caption         =   ""
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column01 
         DataField       =   ""
         Caption         =   ""
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      SplitCount      =   1
      BeginProperty Split0 
         BeginProperty Column00 
         EndProperty
         BeginProperty Column01 
         EndProperty
      EndProperty
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   1095
      Left            =   1560
      Top             =   360
      Width           =   1695
      _ExtentX        =   2990
      _ExtentY        =   1931
      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         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      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
   Begin VB.CommandButton Command4 
      Caption         =   "add"
      Height          =   495
      Left            =   3000
      TabIndex        =   4
      Top             =   6840
      Width           =   975
   End
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   120
      TabIndex        =   3
      Text            =   "请输入你要查找的物品名称"
      Top             =   5880
      Width           =   3735
   End
   Begin VB.CommandButton Command2 
      Caption         =   "删除"
      Height          =   375
      Left            =   5640
      TabIndex        =   2
      Top             =   5880
      Width           =   1455
   End
   Begin VB.CommandButton Command3 
      Caption         =   "查找"
      Height          =   375
      Left            =   4080
      TabIndex        =   1
      Top             =   5880
      Width           =   1455
   End
   Begin VB.CommandButton Command5 
      Caption         =   "显示全部"
      Height          =   375
      Left            =   7200
      TabIndex        =   0
      Top             =   5880
      Width           =   1455
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim i As Integer
'Private Sub Command1_Click()
    'Adodc1.CommandType = adCmdText
   ' Adodc1.RecordSource = "select * from store where 商品名称 = " & "'" & Text1.Text & "'"
   ' Adodc1.Refresh
'End Sub



Private Sub Command3_Click() '查找
    Adodc1.RecordSource = "select * from store where 商品名称 like  " & "'" & Text1.Text & "%'"
    Adodc1.Refresh
End Sub
Private Sub Command2_Click() '删除

    'Adodc1.Recordset.MoveLast
    Adodc1.Recordset.Delete
    Adodc1.Recordset.Update
End Sub




Private Sub Command4_Click()


  i = i + 1
   Adodc1.Recordset.AddNew
       Adodc1.Recordset("条码") = "物品" & i
       Adodc1.Recordset("商品名称") = "物品" & i & "次"
  Adodc1.Recordset.Update

End Sub

Private Sub Command5_Click() '显示所有信息
    Adodc1.RecordSource = "select * from store "
    Adodc1.Refresh
End Sub


Private Sub Form_Load()
    Adodc1.CommandType = adCmdText
    Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\store.mdb;Mode=ReadWrite|Share Deny None;Persist Security Info=False" '连接数据库
    Adodc1.RecordSource = "select * from store "
    Adodc1.Refresh
End Sub
Private Sub Text1_Click()
    Text1.Text = ""
End Sub