frmdeluser.frm

VB编写的超市管理系统

VERSION 5.00
Begin VB.Form frmDelUser 
   BackColor       =   &H00FFC0C0&
   Caption         =   "删除用户"
   ClientHeight    =   2865
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4800
   LinkTopic       =   "Form1"
   ScaleHeight     =   2865
   ScaleWidth      =   4800
   StartUpPosition =   2  'CenterScreen
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   1440
      TabIndex        =   5
      Top             =   1920
      Width           =   1095
   End
   Begin VB.CommandButton Command3 
      Caption         =   "取消"
      Height          =   375
      Left            =   2760
      TabIndex        =   4
      Top             =   1920
      Width           =   1095
   End
   Begin VB.ComboBox cboName 
      Height          =   315
      Left            =   1440
      Style           =   2  'Dropdown List
      TabIndex        =   3
      Top             =   1200
      Width           =   2415
   End
   Begin VB.ComboBox cboType 
      Height          =   315
      ItemData        =   "frmDelUser.frx":0000
      Left            =   1440
      List            =   "frmDelUser.frx":000D
      Style           =   2  'Dropdown List
      TabIndex        =   0
      Top             =   600
      Width           =   2415
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "用户名*"
      Height          =   195
      Index           =   1
      Left            =   720
      TabIndex        =   2
      Top             =   1200
      Width           =   600
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "类型*"
      Height          =   255
      Index           =   0
      Left            =   840
      TabIndex        =   1
      Top             =   600
      Width           =   495
   End
End
Attribute VB_Name = "frmDelUser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim Sql As String
Dim RS As ADODB.Recordset
Private Sub Command1_Click()
'删除用户
If Trim(Me.cboName.Text) <> "" Then
    Sql = "select 密码 from 密码表 where 用户名='" & Trim(Me.cboName.Text)
    Sql = Sql & "' and 类型='" & Trim(Me.cboType.Text) & "'"
    Set RS = dbSelect(Sql)
    If RS.EOF Then
        MsgBox "库中无此用户！"
    Else
        Sql = "delete from 密码表 where 用户名='" & Trim(Me.cboName.Text)
        Sql = Sql & "' and 类型='" & Trim(Me.cboType.Text) & "'"
        dbOperate Sql
    End If
Else
    MsgBox "主键不能为空!"
End If
End Sub

Private Sub Command3_Click()
'关闭
Unload Me
End Sub
Private Sub Form_Load()
Sql = "select distinct 用户名 from 密码表 "
Set RS = dbSelect(Sql)
While Not RS.EOF
    Me.cboName.AddItem RS.Fields(0)
    RS.MoveNext
Wend
Me.cboType.ListIndex = 0
End Sub