omitusername.frm

图书管理系统

VERSION 5.00
Begin VB.Form omituser 
   Caption         =   "删除用户"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   2  'CenterScreen
   Begin VB.CommandButton cmdcancel 
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   3
      Top             =   1800
      Width           =   855
   End
   Begin VB.CommandButton cmdok 
      Caption         =   "确定"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1080
      TabIndex        =   2
      Top             =   1800
      Width           =   855
   End
   Begin VB.TextBox txtusername 
      Height          =   495
      Left            =   1800
      TabIndex        =   1
      Top             =   840
      Width           =   1695
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "输入要删除的用户名"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   360
      TabIndex        =   0
      Top             =   840
      Width           =   1215
   End
End
Attribute VB_Name = "omituser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdcancel_Click()
   Unload Me
End Sub

Private Sub cmdok_Click()
  Dim txtsql, msgtext As String
  Dim mrc As ADODB.Recordset
  If username = Trim(txtusername.Text) Then
     MsgBox "你现在正在使用这个帐户，不能删除！", vbOKOnly + vbExclamation, "警告"
     Exit Sub
  Else
     txtsql = "select * from operator where username='" & Trim(txtusername.Text) & "'"
     Set mrc = ExecuteSQL(txtsql, msgtext)
     If mrc.EOF = True Then
        MsgBox "没有这个用户，请重新输入！", vbOKOnly + vbExclamation, "警告"
        txtusername = ""
        txtusername.SetFocus
        mrc.Close
     Else
        If MsgBox("真的要删除这条文件记录吗？", vbOKCancel + vbExclamation, "警告") = vbOK Then
           txtsql = "delete from operator where username='" & Trim(txtusername.Text) & "'"
           Set mrc = ExecuteSQL(txtsql, msgtext)
           MsgBox "用户成功删除！", vbOKOnly, "信息提示"
           Unload Me
        Else
           txtusername.SetFocus
        End If
     End If
  End If
End Sub