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📄 frmdeluser.frm

📁 大学数据库原理的课程设计
💻 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 frmDelUser 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "删除用户"
   ClientHeight    =   2265
   ClientLeft      =   3105
   ClientTop       =   2310
   ClientWidth     =   6030
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2265
   ScaleWidth      =   6030
   Begin VB.Frame fraModi 
      Appearance      =   0  'Flat
      ForeColor       =   &H80000008&
      Height          =   2055
      Left            =   2040
      TabIndex        =   5
      Top             =   0
      Width           =   1815
      Begin VB.CommandButton cmdValidate 
         Caption         =   "确认修改"
         Height          =   315
         Left            =   300
         TabIndex        =   8
         Top             =   960
         Width           =   1215
      End
      Begin VB.CommandButton cmdExit 
         Caption         =   "退出"
         Height          =   315
         Index           =   1
         Left            =   300
         TabIndex        =   7
         Top             =   1500
         Width           =   1215
      End
      Begin VB.ComboBox cboPurview 
         Height          =   300
         ItemData        =   "frmDelUser.frx":0000
         Left            =   300
         List            =   "frmDelUser.frx":000A
         Style           =   2  'Dropdown List
         TabIndex        =   6
         Top             =   570
         Width           =   1215
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         Caption         =   "选择权限"
         Height          =   180
         Left            =   480
         TabIndex        =   9
         Top             =   300
         Width           =   720
      End
   End
   Begin VB.Frame fraDel 
      Appearance      =   0  'Flat
      ForeColor       =   &H80000008&
      Height          =   2055
      Left            =   4080
      TabIndex        =   1
      Top             =   0
      Width           =   1815
      Begin VB.CommandButton cmdDelete 
         Caption         =   "删除用户"
         Height          =   315
         Left            =   300
         TabIndex        =   4
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdExit 
         Caption         =   "退出"
         Height          =   315
         Index           =   0
         Left            =   300
         TabIndex        =   3
         Top             =   1470
         Width           =   1215
      End
      Begin VB.CommandButton cmdCancel 
         Caption         =   "取消删除"
         Height          =   315
         Left            =   300
         TabIndex        =   2
         Top             =   750
         Width           =   1215
      End
   End
   Begin MSDataGridLib.DataGrid dgdUser 
      Height          =   1935
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   3855
      _ExtentX        =   6800
      _ExtentY        =   3413
      _Version        =   393216
      DefColWidth     =   73
      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 adoUser 
      Height          =   330
      Left            =   0
      Top             =   1920
      Visible         =   0   'False
      Width           =   1200
      _ExtentX        =   2117
      _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=Stud97.mdb;Persist Security Info=False"
      OLEDBString     =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Stud97.mdb;Persist Security Info=False"
      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
End
Attribute VB_Name = "frmDelUser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Option Explicit

Private Sub cmdCancel_Click() '取消删除
    adoUser.Recordset.CancelBatch
    adoUser.Refresh
End Sub

Private Sub cmdDelete_Click()   '删除按钮
    If UCase$(adoUser.Recordset("用户名")) = "ADMIN" Then
        MsgBox "不能删除“Admin”用户。", vbExclamation, " 提示"
        Exit Sub
    End If
    
    Dim intRsp As Integer
    Dim strQst As String
    strQst = "删除用户“" & adoUser.Recordset("用户名") & "”吗?"
    intRsp = MsgBox(strQst, vbQuestion + vbYesNo, "询问")
    If intRsp = vbYes Then
        adoUser.Recordset.Delete    '不执行更新操作,可以取消删除
    End If
End Sub

Private Sub cmdExit_Click(Index As Integer)
    Unload Me
End Sub

Private Sub cmdValidate_Click() '确认对权限的修改
    adoUser.Recordset("权限") = cboPurview.Text
End Sub

Private Sub Form_Activate() '窗体激活时
    If Me.Caption = "删除用户" Then
        fraDel.Visible = True
        fraModi.Visible = False
    Else
        fraDel.Visible = False
        fraModi.Visible = True
    End If
End Sub

Private Sub Form_Load() '窗体加载
    fraModi.Left = fraDel.Left '设置框架位置
    fraModi.Top = fraDel.Top
    
    With adoUser
        .LockType = adLockBatchOptimistic '批更新模式,以备用户取消删除
        .RecordSource = "SELECT * FROM 用户 "
        .Refresh
    End With
    dgdUser.AllowUpdate = False '不允许修改DataGrid控件中显示的记录
    Set dgdUser.DataSource = adoUser
End Sub

Private Sub Form_Unload(Cancel As Integer)
    adoUser.Recordset.UpdateBatch '窗体卸载时对删除或更改权限操作进行更新
    frmMain.Show
End Sub

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