frmdeluser.frm

这是我们当时数据库课程设计的时候其他同学做的一个程序

VERSION 5.00
Begin VB.Form 删除用户 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "删除用户"
   ClientHeight    =   4695
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3570
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   Picture         =   "frmDelUser.frx":0000
   ScaleHeight     =   4695
   ScaleWidth      =   3570
   Begin VB.CommandButton cmdDel 
      Caption         =   "删除"
      BeginProperty Font 
         Name            =   "Arial"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   480
      TabIndex        =   2
      Top             =   3960
      Width           =   1095
   End
   Begin VB.CommandButton cmdCancel 
      BackColor       =   &H00FFFFFF&
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "Arial"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2040
      TabIndex        =   1
      Top             =   3960
      Width           =   1095
   End
   Begin VB.ListBox List1 
      Height          =   2940
      Left            =   315
      TabIndex        =   0
      Top             =   780
      Width           =   2940
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "用户列表："
      ForeColor       =   &H00FFFFFF&
      Height          =   450
      Left            =   240
      TabIndex        =   3
      Top             =   345
      Width           =   1155
   End
End
Attribute VB_Name = "删除用户"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit


Private Sub cmdCancel_Click()
Unload Me
End Sub

Private Sub cmdDel_Click()
    Dim txtSQL As String
    Dim intCount As Integer
    Dim mrc As ADODB.Recordset
    Dim MsgText As String
    If UserName <> "Admin" Then
    '判断用户的权限
        MsgBox "只有超级管理员才有此权限！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    If List1.List(List1.ListIndex) <> "" Then
            If MsgBox("真的要删除用户" & List1.List(List1.ListIndex), vbOKCancel + vbExclamation, "警告") = vbOK Then
               If List1.List(List1.ListIndex) = "Admin" Then
                    MsgBox "不能删除超级用户", vbOKOnly, "信息框"
                    Exit Sub
               End If
               txtSQL = "delete from Manager where username ='" & Trim(List1.List(List1.ListIndex)) & "'"
               Set mrc = ExecuteSQL(txtSQL, MsgText)
               List1.Clear
               Form_Load
            End If
    End If
    MsgBox "删除成功", vbOKOnly, "信息框"
End Sub

Private Sub Form_Load()
  
    Dim txtSQL As String
    Dim mrc As ADODB.Recordset
    Dim MsgText As String
    txtSQL = "select username from Manager "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    While mrc.EOF = False
    List1.AddItem mrc.Fields(0)
    '读入所有的用户到列表中来
    mrc.MoveNext
    Wend
End Sub