frmdelsuperuser.vb

一个用vb实现的网吧管理系统,是一个vb的课程设计.

Public Class FrmDelSuperUser
    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

    '窗体重写处置以清理组件列表。
    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 Label12 As System.Windows.Forms.Label
    Friend WithEvents BtDel As System.Windows.Forms.Button
    Friend WithEvents LvUser As System.Windows.Forms.ListView
    Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader3 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader4 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader5 As System.Windows.Forms.ColumnHeader
    Friend WithEvents BtClose As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label12 = New System.Windows.Forms.Label
        Me.BtDel = New System.Windows.Forms.Button
        Me.BtClose = New System.Windows.Forms.Button
        Me.LvUser = New System.Windows.Forms.ListView
        Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader3 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader4 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader5 = New System.Windows.Forms.ColumnHeader
        Me.SuspendLayout()
        '
        'Label12
        '
        Me.Label12.Location = New System.Drawing.Point(22, 13)
        Me.Label12.Name = "Label12"
        Me.Label12.Size = New System.Drawing.Size(104, 24)
        Me.Label12.TabIndex = 19
        Me.Label12.Text = "操作员列表："
        Me.Label12.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'BtDel
        '
        Me.BtDel.Location = New System.Drawing.Point(147, 244)
        Me.BtDel.Name = "BtDel"
        Me.BtDel.Size = New System.Drawing.Size(92, 26)
        Me.BtDel.TabIndex = 20
        Me.BtDel.Text = "删除"
        '
        'BtClose
        '
        Me.BtClose.Location = New System.Drawing.Point(304, 244)
        Me.BtClose.Name = "BtClose"
        Me.BtClose.Size = New System.Drawing.Size(100, 26)
        Me.BtClose.TabIndex = 21
        Me.BtClose.Text = "关闭"
        '
        'LvUser
        '
        Me.LvUser.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3, Me.ColumnHeader4, Me.ColumnHeader5})
        Me.LvUser.Location = New System.Drawing.Point(12, 50)
        Me.LvUser.MultiSelect = False
        Me.LvUser.Name = "LvUser"
        Me.LvUser.Size = New System.Drawing.Size(502, 172)
        Me.LvUser.TabIndex = 22
        Me.LvUser.UseCompatibleStateImageBehavior = False
        Me.LvUser.View = System.Windows.Forms.View.Details
        '
        'ColumnHeader1
        '
        Me.ColumnHeader1.Text = "用户名"
        '
        'ColumnHeader2
        '
        Me.ColumnHeader2.Text = "真实姓名"
        '
        'ColumnHeader3
        '
        Me.ColumnHeader3.Text = "用户信息管理模块"
        Me.ColumnHeader3.Width = 122
        '
        'ColumnHeader4
        '
        Me.ColumnHeader4.Text = "计算机信息管理模块"
        Me.ColumnHeader4.Width = 138
        '
        'ColumnHeader5
        '
        Me.ColumnHeader5.Text = "备注"
        Me.ColumnHeader5.Width = 149
        '
        'FrmDelSuperUser
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(526, 282)
        Me.Controls.Add(Me.LvUser)
        Me.Controls.Add(Me.BtClose)
        Me.Controls.Add(Me.BtDel)
        Me.Controls.Add(Me.Label12)
        Me.MaximizeBox = False
        Me.Name = "FrmDelSuperUser"
        Me.Text = "删除操作员"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub BtClose_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtClose.Click
        Me.Close()
    End Sub


    Sub LoadUser()
        LvUser.Items.Clear()
        Dim SQLString As String = "SELECT * FROM tbSuperUser"
        'SQL查询语句
        Dim UserTable As DataTable = ClsDBOperation.DBOperate(SQLString)
        Dim UserRow As DataRow
        Dim LItem As ListViewItem
        For Each UserRow In UserTable.Rows
            LItem = New ListViewItem(UserRow("UserName").ToString)
            LItem.SubItems.Add(UserRow("RealName").ToString)
            LItem.SubItems.Add(UserRow("ModUser"))
            LItem.SubItems.Add(UserRow("ModComputer"))
            LItem.SubItems.Add(UserRow("Memo").ToString)
            LvUser.Items.Add(LItem)
        Next
    End Sub



    Private Sub BtDel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtDel.Click
        Dim SelectUser As String = LvUser.SelectedItems(0).Text
        If SelectUser = "Admin" Then
            MsgBox("不能删除管理员！", MsgBoxStyle.Exclamation, "信息框")
            Exit Sub
        End If
        NewSuperUser.DelUser(SelectUser)
        LoadUser()
        MsgBox("删除操作完成！", , "信息框")
    End Sub

    Private Sub FrmDelSuperUser_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        LoadUser()
    End Sub
End Class