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📄 frmedit.frm

📁 通过实现数据绑定的功能
💻 FRM
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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 frmEdit 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "入库修改"
   ClientHeight    =   7740
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   9660
   LinkTopic       =   "Form5"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   7740
   ScaleWidth      =   9660
   ShowInTaskbar   =   0   'False
   Begin VB.Frame Frame4 
      Caption         =   "产品查询"
      Height          =   855
      Left            =   240
      TabIndex        =   16
      Top             =   120
      Width           =   9015
      Begin VB.CommandButton cmdClear 
         Caption         =   "清空"
         Height          =   495
         Left            =   6120
         TabIndex        =   24
         Top             =   240
         Width           =   1695
      End
      Begin VB.TextBox txtName 
         Height          =   495
         Left            =   2160
         TabIndex        =   18
         Top             =   240
         Width           =   1695
      End
      Begin VB.CommandButton cmdQuery 
         Caption         =   "查询"
         Default         =   -1  'True
         Height          =   495
         Left            =   4200
         TabIndex        =   17
         Top             =   240
         Width           =   1575
      End
      Begin VB.Label Label5 
         Caption         =   "名称"
         Height          =   375
         Left            =   600
         TabIndex        =   19
         Top             =   360
         Width           =   1215
      End
   End
   Begin VB.Frame Frame3 
      Caption         =   "查询结果"
      Height          =   2415
      Left            =   240
      TabIndex        =   14
      Top             =   1080
      Width           =   9015
      Begin MSDataGridLib.DataGrid DataGrid1 
         Height          =   2055
         Left            =   240
         TabIndex        =   15
         Top             =   240
         Width           =   8415
         _ExtentX        =   14843
         _ExtentY        =   3625
         _Version        =   393216
         AllowUpdate     =   0   'False
         Enabled         =   -1  'True
         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
   End
   Begin VB.Frame Frame2 
      Height          =   855
      Left            =   240
      TabIndex        =   9
      Top             =   6120
      Width           =   9015
      Begin VB.CommandButton cmdCancel 
         Caption         =   "取消"
         Height          =   495
         Left            =   4800
         TabIndex        =   13
         Top             =   240
         Width           =   1575
      End
      Begin VB.CommandButton cmdUpdate 
         Caption         =   "保存"
         Height          =   495
         Left            =   2805
         TabIndex        =   12
         Top             =   240
         Width           =   1575
      End
      Begin VB.CommandButton cmdEdit 
         Caption         =   "修改"
         Height          =   495
         Left            =   840
         TabIndex        =   11
         Top             =   240
         Width           =   1575
      End
      Begin VB.CommandButton cmdClose 
         Caption         =   "关闭"
         Height          =   495
         Left            =   6720
         TabIndex        =   10
         Top             =   240
         Width           =   1575
      End
   End
   Begin VB.Frame Frame1 
      Caption         =   "产品修改"
      Height          =   1815
      Left            =   240
      TabIndex        =   0
      Top             =   3600
      Width           =   9015
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   5
         Left            =   7080
         TabIndex        =   22
         Top             =   960
         Width           =   1695
      End
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   4
         Left            =   4200
         TabIndex        =   21
         Top             =   960
         Width           =   1815
      End
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   3
         Left            =   1080
         TabIndex        =   4
         Top             =   960
         Width           =   1815
      End
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   2
         Left            =   7080
         TabIndex        =   3
         Top             =   240
         Width           =   1695
      End
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   1
         Left            =   4200
         TabIndex        =   2
         Top             =   240
         Width           =   1815
      End
      Begin VB.TextBox txtFields 
         Height          =   495
         Index           =   0
         Left            =   1080
         TabIndex        =   1
         Top             =   240
         Width           =   1815
      End
      Begin VB.Label Label7 
         Caption         =   "经手人"
         Height          =   375
         Left            =   6120
         TabIndex        =   23
         Top             =   960
         Width           =   855
      End
      Begin VB.Label Label6 
         Caption         =   "入库数量"
         Height          =   495
         Left            =   6120
         TabIndex        =   20
         Top             =   360
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "产品名称"
         Height          =   375
         Left            =   240
         TabIndex        =   8
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "产品价格"
         Height          =   495
         Left            =   3240
         TabIndex        =   7
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label3 
         Caption         =   "产品描述"
         Height          =   495
         Left            =   240
         TabIndex        =   6
         Top             =   1080
         Width           =   975
      End
      Begin VB.Label Label4 
         Caption         =   "其它"
         Height          =   375
         Left            =   3240
         TabIndex        =   5
         Top             =   1080
         Width           =   735
      End
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   495
      Left            =   240
      Top             =   5520
      Width           =   9015
      _ExtentX        =   15901
      _ExtentY        =   873
      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         =   ""
      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 = "frmEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdEdit_Click()
    '如果有错则转入出错处理部分
    On Error GoTo EditErr
    '设置按钮状态,添加按钮为禁用
    SetButtons False
    Exit Sub
EditErr:
    '显示出错信息
    MsgBox Err.Description
End Sub

Private Sub cmdCancel_Click()
    On Error GoTo CancelErr
    Adodc1.Recordset.CancelBatch adAffectAll
    '设置按钮状态,添加按钮为真
    SetButtons True
    '显示操作信息
    MsgBox "取消成功!", vbExclamation + vbOKOnly, "产品修改"
    Exit Sub
CancelErr:
    '显示出错信息
    MsgBox Err.Description
End Sub

Private Sub cmdClear_Click()
    '清空查询条件
    txtName.Text = ""
    '设置鼠标焦点
    txtName.SetFocus
End Sub

Private Sub cmdClose_Click()
    '释放窗体本身
    Unload Me
End Sub

Private Sub cmdUpdate_Click()
On Error GoTo UpdateErr
    '条件判断保证输入的合理性
    '如果名称文本框为空,则显示提示信息并返回
    If Trim(txtFields(0).Text) = "" Then
        MsgBox "名称不能为空", vbExclamation + vbOKOnly, "警告"
        '设置鼠标焦点
        txtFields(0).SetFocus
        Exit Sub
    End If
    '判断价格文本框不能为空
    If Trim(txtFields(1).Text) = "" Then
        MsgBox "价格不能为空", vbExclamation + vbOKOnly, "警告"
        '设置鼠标焦点
        txtFields(1).SetFocus
        Exit Sub
    End If
    '判断价格文本框必须为数字
    If Not IsNumeric(Trim(txtFields(1).Text)) Then
        MsgBox "价格必须为数字", vbExclamation + vbOKOnly, "警告"
        '设置鼠标焦点
        txtFields(1).SetFocus
        '使文本变为选中状态
        '设置选择的起始位置和选择的长度
        txtFields(1).SelStart = 0
        txtFields(1).SelLength = Len(txtFields(1).Text)
        Exit Sub
    End If
    '判断入库数量文本框输入必须为数字
    If Not IsNumeric(Trim(txtFields(2).Text)) Then
        MsgBox "入库数量必须为数字", vbExclamation + vbOKOnly, "警告"
        '设置鼠标焦点
        txtFields(2).SetFocus
        '使文本变为选中状态
        '设置选择的起始位置和选择的长度
        txtFields(2).SelStart = 0
        txtFields(2).SelLength = Len(txtFields(2).Text)
        Exit Sub
    End If
    
    '保存adodc1的记录集的修改
    Adodc1.Recordset.UpdateBatch adAffectAll
    '保存后,设置按钮状态
    SetButtons True
    '显示操作信息
    MsgBox "保存成功!", vbExclamation + vbOKOnly, "产品修改"
    Exit Sub
UpdateErr:
    MsgBox Err.Description
End Sub

Private Sub cmdQuery_Click()
    Dim strSQL As String
    '判断名称文本框不能为空
    If Trim(txtName.Text) = "" Then
        MsgBox "查询名称不能为空!", vbOKOnly + vbExclamation, "警告!"
        '设置鼠标焦点
        txtName.SetFocus
        Exit Sub
    End If
    strSQL = "Select * From product Where 名称 like " + "'" + _
    Replace(Trim(txtName.Text), "'", "''", 1) + "%'"
    '设置Adodc1的命令类型和记录源
    Adodc1.CommandType = adCmdText
    Adodc1.RecordSource = strSQL
    '刷新Adodc1
    Adodc1.Refresh
End Sub

Private Sub Form_Load()
    '设置Adodc1的连接字符串和记录源
    Adodc1.ConnectionString = ConnectString
    Adodc1.RecordSource = "Select * From product "
    
    '将文本框和Adodc1绑定
    Dim i As Integer
    For i = 1 To 6
        '设置文本框的数据源
        Set txtFields(i - 1).DataSource = Adodc1
        '设置文本框的数据绑定字段
        txtFields(i - 1).DataField = Adodc1.Recordset.Fields(i).Name
    Next i
    '设置DataGrid1的数据源
    Set DataGrid1.DataSource = Adodc1
    '设置按钮状态
    SetButtons True
End Sub
'设置按钮和文本的使用状态
'添加按钮可用时,保存取消两个按钮禁用
'点击添加按钮后,添加按钮禁用,保存取消两个按钮可用
'点击保存取消两个按钮之一后,添加按钮又可用,保存取消两个按钮禁用
'对于文本框,点击添加按钮后可以使用,否则则禁用
Private Sub SetButtons(bVal As Boolean)
    cmdEdit.Enabled = bVal
    cmdUpdate.Enabled = Not bVal
    cmdCancel.Enabled = Not bVal
    cmdClose.Enabled = bVal
      
    Dim i As Integer
    For i = 0 To 5
        txtFields(i).Enabled = Not bVal
    Next i
End Sub

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