admin_admindata.vb

图书馆管理系统,是数据库的课程设计,报告里面包含了需求分析数据字典概念结构设计逻辑结构设计数据库物理设计数据库实施

Imports System.Data
'引入数据库操作类命名空间
Imports System.Data.OleDb
'引入ADO.NET操作命名空间

Public Class win_admindata
    Inherits System.Windows.Forms.Form
    Dim sqlstr As String 'SQL语句标记
    Dim objDS As DataSet '数据在内存中的缓存
    Dim i As Integer

#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 ListView1 As System.Windows.Forms.ListView
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents ColumnHeadername As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeaderlogins As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeaderlastlogin As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeadertiptop As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeaderid As System.Windows.Forms.ColumnHeader
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(win_admindata))
        Me.ListView1 = New System.Windows.Forms.ListView
        Me.ColumnHeaderid = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeadername = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeaderlogins = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeaderlastlogin = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeadertiptop = New System.Windows.Forms.ColumnHeader
        Me.Button1 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'ListView1
        '
        Me.ListView1.BackColor = System.Drawing.Color.DarkGray
        Me.ListView1.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeaderid, Me.ColumnHeadername, Me.ColumnHeaderlogins, Me.ColumnHeaderlastlogin, Me.ColumnHeadertiptop})
        Me.ListView1.FullRowSelect = True
        Me.ListView1.GridLines = True
        Me.ListView1.HideSelection = False
        Me.ListView1.Location = New System.Drawing.Point(0, 0)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(520, 216)
        Me.ListView1.TabIndex = 0
        Me.ListView1.View = System.Windows.Forms.View.Details
        '
        'ColumnHeaderid
        '
        Me.ColumnHeaderid.Text = "管理员编号"
        Me.ColumnHeaderid.Width = 75
        '
        'ColumnHeadername
        '
        Me.ColumnHeadername.Text = "管理员名"
        Me.ColumnHeadername.Width = 99
        '
        'ColumnHeaderlogins
        '
        Me.ColumnHeaderlogins.Text = "登陆次数"
        Me.ColumnHeaderlogins.Width = 65
        '
        'ColumnHeaderlastlogin
        '
        Me.ColumnHeaderlastlogin.Text = "最后登陆时间"
        Me.ColumnHeaderlastlogin.Width = 181
        '
        'ColumnHeadertiptop
        '
        Me.ColumnHeadertiptop.Text = "是否最高管理员"
        Me.ColumnHeadertiptop.Width = 96
        '
        'Button1
        '
        Me.Button1.DialogResult = System.Windows.Forms.DialogResult.Cancel
        Me.Button1.Location = New System.Drawing.Point(236, 224)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(48, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "确定"
        '
        'win_admindata
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.CancelButton = Me.Button1
        Me.ClientSize = New System.Drawing.Size(520, 253)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.ListView1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.MaximumSize = New System.Drawing.Size(528, 280)
        Me.MinimumSize = New System.Drawing.Size(528, 280)
        Me.Name = "win_admindata"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "图书馆管理系统--管理员数据"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub win_admindata_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        sqlstr = "select * from admininfo"
        objDS = GetData(sqlstr)
        For i = 0 To objDS.Tables(0).Rows.Count - 1
            Dim li As New ListViewItem
            li.SubItems.Clear()
            li.SubItems(0).Text = objDS.Tables(0).Rows(i)("id").ToString
            li.SubItems.Add(objDS.Tables(0).Rows(i)("adminname").ToString)
            li.SubItems.Add(objDS.Tables(0).Rows(i)("logins").ToString)
            li.SubItems.Add(objDS.Tables(0).Rows(i)("lastlogin").ToString)
            li.SubItems.Add(rettip(objDS.Tables(0).Rows(i)("tiptop").ToString))
            ListView1.Items.Add(li) '插入到ListView1
        Next
    End Sub

    Function rettip(ByVal tiptop) As String
        If tiptop = 0 Then
            Return "否"
        Else
            Return "是"
        End If
    End Function

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Me.Close()
    End Sub
End Class