frmsuperadminmodify.vb

图书管理系统,用来管理图书的借还,以及借阅超过时间进行处罚,和管理员用户权限

Imports System.Data
Imports System.Data.SqlClient
Public Class frmsuperAdminModify
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents lbUser As System.Windows.Forms.ListBox
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents tbEmail As System.Windows.Forms.TextBox
    Friend WithEvents tbUsername As System.Windows.Forms.TextBox
    Friend WithEvents tbPwdConfirm As System.Windows.Forms.TextBox
    Friend WithEvents tbPwd As System.Windows.Forms.TextBox
    Friend WithEvents tbLoginname As System.Windows.Forms.TextBox
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label8 As System.Windows.Forms.Label
    Friend WithEvents cbAdmin As System.Windows.Forms.CheckBox
    Friend WithEvents bnModify As System.Windows.Forms.Button
    Friend WithEvents bnCancel As System.Windows.Forms.Button
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents tbtelno As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmsuperAdminModify))
        Me.lbUser = New System.Windows.Forms.ListBox
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.tbtelno = New System.Windows.Forms.TextBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.tbEmail = New System.Windows.Forms.TextBox
        Me.tbUsername = New System.Windows.Forms.TextBox
        Me.tbPwdConfirm = New System.Windows.Forms.TextBox
        Me.tbPwd = New System.Windows.Forms.TextBox
        Me.tbLoginname = New System.Windows.Forms.TextBox
        Me.Label6 = New System.Windows.Forms.Label
        Me.Label5 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label8 = New System.Windows.Forms.Label
        Me.cbAdmin = New System.Windows.Forms.CheckBox
        Me.bnModify = New System.Windows.Forms.Button
        Me.bnCancel = New System.Windows.Forms.Button
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'lbUser
        '
        Me.lbUser.ItemHeight = 12
        Me.lbUser.Location = New System.Drawing.Point(8, 8)
        Me.lbUser.Name = "lbUser"
        Me.lbUser.Size = New System.Drawing.Size(144, 292)
        Me.lbUser.TabIndex = 4
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.tbtelno)
        Me.GroupBox1.Controls.Add(Me.Label3)
        Me.GroupBox1.Controls.Add(Me.tbEmail)
        Me.GroupBox1.Controls.Add(Me.tbUsername)
        Me.GroupBox1.Controls.Add(Me.tbPwdConfirm)
        Me.GroupBox1.Controls.Add(Me.tbPwd)
        Me.GroupBox1.Controls.Add(Me.tbLoginname)
        Me.GroupBox1.Controls.Add(Me.Label6)
        Me.GroupBox1.Controls.Add(Me.Label5)
        Me.GroupBox1.Controls.Add(Me.Label4)
        Me.GroupBox1.Controls.Add(Me.Label2)
        Me.GroupBox1.Controls.Add(Me.Label8)
        Me.GroupBox1.Location = New System.Drawing.Point(168, 8)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(256, 264)
        Me.GroupBox1.TabIndex = 7
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "修改信息"
        '
        'tbtelno
        '
        Me.tbtelno.Location = New System.Drawing.Point(80, 196)
        Me.tbtelno.Name = "tbtelno"
        Me.tbtelno.Size = New System.Drawing.Size(152, 21)
        Me.tbtelno.TabIndex = 144
        Me.tbtelno.Text = ""
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(24, 200)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(56, 24)
        Me.Label3.TabIndex = 143
        Me.Label3.Text = "电话:"
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'tbEmail
        '
        Me.tbEmail.Location = New System.Drawing.Point(80, 160)
        Me.tbEmail.Name = "tbEmail"
        Me.tbEmail.Size = New System.Drawing.Size(152, 21)
        Me.tbEmail.TabIndex = 136
        Me.tbEmail.Text = ""
        '
        'tbUsername
        '
        Me.tbUsername.Location = New System.Drawing.Point(80, 124)
        Me.tbUsername.Name = "tbUsername"
        Me.tbUsername.Size = New System.Drawing.Size(152, 21)
        Me.tbUsername.TabIndex = 135
        Me.tbUsername.Text = ""
        '
        'tbPwdConfirm
        '
        Me.tbPwdConfirm.Location = New System.Drawing.Point(80, 88)
        Me.tbPwdConfirm.Name = "tbPwdConfirm"
        Me.tbPwdConfirm.Size = New System.Drawing.Size(152, 21)
        Me.tbPwdConfirm.TabIndex = 134
        Me.tbPwdConfirm.Text = ""
        '
        'tbPwd
        '
        Me.tbPwd.Location = New System.Drawing.Point(80, 52)
        Me.tbPwd.Name = "tbPwd"
        Me.tbPwd.Size = New System.Drawing.Size(152, 21)
        Me.tbPwd.TabIndex = 133
        Me.tbPwd.Text = ""
        '
        'tbLoginname
        '
        Me.tbLoginname.Location = New System.Drawing.Point(80, 16)
        Me.tbLoginname.Name = "tbLoginname"
        Me.tbLoginname.ReadOnly = True
        Me.tbLoginname.Size = New System.Drawing.Size(152, 21)
        Me.tbLoginname.TabIndex = 142
        Me.tbLoginname.Text = ""
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(8, 88)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(72, 24)
        Me.Label6.TabIndex = 131
        Me.Label6.Text = "确认口令："
        Me.Label6.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(24, 128)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(56, 24)
        Me.Label5.TabIndex = 130
        Me.Label5.Text = "姓名："
        Me.Label5.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(24, 168)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(56, 24)
        Me.Label4.TabIndex = 129
        Me.Label4.Text = "email："
        Me.Label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(24, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(56, 24)
        Me.Label2.TabIndex = 127
        Me.Label2.Text = "口令："
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label8
        '
        Me.Label8.Location = New System.Drawing.Point(24, 16)
        Me.Label8.Name = "Label8"
        Me.Label8.Size = New System.Drawing.Size(56, 24)
        Me.Label8.TabIndex = 126
        Me.Label8.Text = "登录名："
        Me.Label8.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'cbAdmin
        '
        Me.cbAdmin.Location = New System.Drawing.Point(240, 240)
        Me.cbAdmin.Name = "cbAdmin"
        Me.cbAdmin.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.cbAdmin.Size = New System.Drawing.Size(112, 24)
        Me.cbAdmin.TabIndex = 9
        Me.cbAdmin.Text = "：超级管理用户"
        '
        'bnModify
        '
        Me.bnModify.Location = New System.Drawing.Point(192, 288)
        Me.bnModify.Name = "bnModify"
        Me.bnModify.TabIndex = 10
        Me.bnModify.Text = "修改"
        '
        'bnCancel
        '
        Me.bnCancel.Location = New System.Drawing.Point(312, 288)
        Me.bnCancel.Name = "bnCancel"
        Me.bnCancel.TabIndex = 11
        Me.bnCancel.Text = "取消"
        '
        'frmsuperAdminModify
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(432, 317)
        Me.Controls.Add(Me.bnCancel)
        Me.Controls.Add(Me.bnModify)
        Me.Controls.Add(Me.cbAdmin)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.lbUser)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.Name = "frmsuperAdminModify"
        Me.Text = "----------超级管理员修改信息"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub frmAdminModify_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        refreshList()
    End Sub

    Private Sub refreshList()
        lbUser.Items.Clear()
        Dim strSource As String = "workstation id=郭洪博;packet size=4096;integrated security=SSPI;initial catalog=books;persist security info=False"
        Dim strSelect As String = "select username from admin"
        Dim conn As SqlConnection = New SqlConnection(strSource)
        conn.Open()
        Dim cmd As SqlCommand = New SqlCommand(strSelect, conn)
        Dim reader As SqlDataReader = cmd.ExecuteReader()

        If Not reader.HasRows Then
            Exit Sub
        End If

        While reader.Read()
            lbUser.Items.Add(reader.Item("username").ToString().Trim())
        End While
        conn.Close()
    End Sub

    Private Sub lbUser_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles lbUser.SelectedIndexChanged


        Dim strSource As String = "workstation id=郭洪博;packet size=4096;integrated security=SSPI;initial catalog=books;persist security info=False"
        Dim strSelect As String = "select * from admin where username = '" + lbUser.Items.Item(lbUser.SelectedIndex).ToString().Trim() + "'"

        Dim conn As SqlConnection = New SqlConnection(strSource)
        conn.Open()
        Dim cmd As SqlCommand = New SqlCommand(strSelect, conn)
        Dim dr As SqlDataReader = cmd.ExecuteReader()

        If Not dr.HasRows Then
            conn.Close()
            Exit Sub
        End If
        dr.Read()

        tbLoginname.Text = dr.Item("username").ToString().Trim()
        tbPwd.Text = dr.Item("password").ToString().Trim()
        tbPwdConfirm.Text = dr.Item("password").ToString().Trim()
        tbUsername.Text = dr.Item("name").ToString().Trim()
        tbEmail.Text = dr.Item("email").ToString().Trim()
        tbtelno.Text = dr.Item("telno").ToString().Trim()
        Dim i As Integer = Convert.ToInt32(dr.Item("control").ToString().Trim())
        If i <> 0 Then
            cbAdmin.Checked = False
        Else
            cbAdmin.Checked = True
        End If

        conn.Close()
    End Sub

    Private Sub bnModify_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bnModify.Click
        Dim strSource As String = "workstation id=郭洪博;packet size=4096;integrated security=SSPI;initial catalog=books;persist security info=False"

        If tbPwdConfirm.Text.Trim() <> tbPwd.Text.Trim() Then
            MessageBox.Show("两次口令不一致！")
            Exit Sub
        End If

        Dim i As Integer
        If cbAdmin.Checked Then
            i = 0
        Else
            i = 1
        End If

        Dim strUpdate As String = "update admin set password='" + tbPwd.Text.Trim() + "',name='" + tbUsername.Text.Trim() + "',email='" + tbEmail.Text.Trim() + "',telno=" + tbtelno.Text.Trim() + ",control=" + i.ToString() + " where username= '" + tbLoginname.Text.Trim() + "'"
        Dim conn As SqlConnection = New SqlConnection(strSource)
        Try
            conn.Open()
            Dim cmd As SqlCommand = New SqlCommand(strUpdate, conn)
            Dim ret As Integer = cmd.ExecuteNonQuery()
            If ret <> 1 Then
                MessageBox.Show("更新失败！")
            Else
                MessageBox.Show("更新成功！")
            End If
        Catch ex As Exception

        End Try

        conn.Close()

    End Sub

    Private Sub bnCancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bnCancel.Click
        Me.Close()
    End Sub
End Class