shanchuyh.frm

一个功能齐全的图书馆管理系统 可适用与中小学的图书馆的管理

VERSION 5.00
Begin VB.Form shanchuyh 
   Caption         =   "删除用户"
   ClientHeight    =   3765
   ClientLeft      =   5115
   ClientTop       =   4230
   ClientWidth     =   5670
   Icon            =   "shanchuyh.frx":0000
   LinkTopic       =   "Form2"
   ScaleHeight     =   3765
   ScaleWidth      =   5670
   Begin VB.CommandButton Command3 
      Caption         =   "离开"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   3840
      TabIndex        =   10
      Top             =   2880
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "删除"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1080
      TabIndex        =   9
      Top             =   2880
      Width           =   1215
   End
   Begin VB.TextBox Text4 
      Height          =   375
      Left            =   2280
      TabIndex        =   8
      Top             =   2040
      Width           =   2055
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   2280
      TabIndex        =   6
      Top             =   1440
      Width           =   2055
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   2280
      TabIndex        =   4
      Top             =   840
      Width           =   2055
   End
   Begin VB.CommandButton Command1 
      Caption         =   "搜索"
      Default         =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   4800
      TabIndex        =   2
      Top             =   240
      Width           =   735
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   2280
      TabIndex        =   1
      Top             =   240
      Width           =   2055
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      Caption         =   "注册日期："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   360
      Left            =   1080
      TabIndex        =   7
      Top             =   2040
      Width           =   1200
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      Caption         =   "用户级别："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   1080
      TabIndex        =   5
      Top             =   1440
      Width           =   1200
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "您的密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   1080
      TabIndex        =   3
      Top             =   840
      Width           =   1200
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "请输入您的用户名："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   120
      TabIndex        =   0
      Top             =   240
      Width           =   2160
   End
End
Attribute VB_Name = "shanchuyh"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset

Private Sub Command1_Click()
If Text1.Text = "" Then
MsgBox "用户名为空，您不能进行此操作。请输入用户名！", vbCritical, "错误"
Else
 '查询DataEnv.rsstu的状态，如果已经打开，则先关闭
   If rs.State = 1 Then rs.Close
str2 = "select * from user1 where username = '" & Text1.Text & "'"

rs.Open str2, cn, 1, 3
If rs.EOF Then
MsgBox "无该记录或输入数据有误。请查正！", vbCritical, "错误"
If Text1.Enabled = False Then
Text1.Enabled = True
End If
Text1.Text = ""
Text1.SetFocus
        Exit Sub
Else
Text2.Text = rs!pass
Text3.Text = rs!userjibie
Text4.Text = rs!zhuceriqi

Command2.Enabled = True
Text1.Enabled = False
Text2.Enabled = False
Text3.Enabled = False
Text4.Enabled = False

End If
End If
End Sub

Private Sub Command2_Click()
Call suredel
Text1.Enabled = True
Text2.Enabled = True
Text3.Enabled = True
Text4.Enabled = True

Text1.SetFocus
End Sub

Private Sub Command3_Click()
Unload Me
cn.Close
End Sub

Private Sub Form_Load()
If Text1.Enabled = False Then
Text1.Enabled = True
End If
Command2.Enabled = False
If cn.State = 1 Then cn.Close
'根据目录所在的位置，改变ADO所使用的的连接字符串
   Dim strConn As String
    strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source="
    '使用相对路径
    strConn = strConn & App.Path & "\database\manager.mdb" & ";Persist Security Info=True"
    cn.ConnectionString = strConn
    cn.Open
   
End Sub
Private Sub suredel()
If Text1.Text = "" Then
MsgBox " 您不能进行删除操作,因为用户名为空！", vbCritical, "错误"
Exit Sub
Text1.SetFocus
Else
Dim sure As Long
sure = MsgBox("删除记录将无法恢复，确认该操作吗？", vbOKCancel)
Select Case sure
Case vbOK
rs.Delete
MsgBox "记录已删除。"
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""

Case vbCancel

Text1.Enabled = True
Text1.Text = ""
Text1.SetFocus
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Exit Sub
End Select
End If
End Sub