bookjieyue.vb

图书管理系统

Imports System.Data.SqlClient
Imports System.Windows
Public Class Bookjieyue
    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 Label1 As System.Windows.Forms.Label
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents ListView1 As System.Windows.Forms.ListView
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents ListView2 As System.Windows.Forms.ListView
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    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 ColumnHeader6 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader7 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader8 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader9 As System.Windows.Forms.ColumnHeader
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Me.Label1 = New System.Windows.Forms.Label
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.Button1 = New System.Windows.Forms.Button
        Me.Label3 = New System.Windows.Forms.Label
        Me.ListView1 = New System.Windows.Forms.ListView
        Me.ColumnHeader5 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader6 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader7 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader8 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader9 = New System.Windows.Forms.ColumnHeader
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Label4 = New System.Windows.Forms.Label
        Me.ListView2 = 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.Button4 = New System.Windows.Forms.Button
        Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "读者学号"
        '
        'Panel1
        '
        Me.Panel1.Controls.Add(Me.TextBox1)
        Me.Panel1.Controls.Add(Me.Label2)
        Me.Panel1.Controls.Add(Me.Button1)
        Me.Panel1.Controls.Add(Me.Label1)
        Me.Panel1.Location = New System.Drawing.Point(24, 8)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(720, 80)
        Me.Panel1.TabIndex = 1
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(120, 24)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(160, 21)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(472, 24)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(224, 23)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "Label2"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(328, 24)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(96, 23)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "查询借阅情况"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(24, 96)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "可借书目列表"
        '
        'ListView1
        '
        Me.ListView1.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader5, Me.ColumnHeader6, Me.ColumnHeader7, Me.ColumnHeader8, Me.ColumnHeader9})
        Me.ListView1.Location = New System.Drawing.Point(24, 120)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(320, 208)
        Me.ListView1.TabIndex = 3
        Me.ListView1.View = System.Windows.Forms.View.Details
        '
        'ColumnHeader5
        '
        Me.ColumnHeader5.Text = "书籍编号"
        '
        'ColumnHeader6
        '
        Me.ColumnHeader6.Text = "书籍名称"
        Me.ColumnHeader6.Width = 83
        '
        'ColumnHeader7
        '
        Me.ColumnHeader7.Text = "书籍作者"
        Me.ColumnHeader7.Width = 74
        '
        'ColumnHeader8
        '
        Me.ColumnHeader8.Text = "出版社"
        Me.ColumnHeader8.Width = 67
        '
        'ColumnHeader9
        '
        Me.ColumnHeader9.Text = "单价"
        Me.ColumnHeader9.Width = 92
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(352, 152)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "借阅>>"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(352, 224)
        Me.Button3.Name = "Button3"
        Me.Button3.TabIndex = 5
        Me.Button3.Text = "归还<<"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(480, 96)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(128, 23)
        Me.Label4.TabIndex = 6
        Me.Label4.Text = "该读者已借书目列表"
        '
        'ListView2
        '
        Me.ListView2.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3, Me.ColumnHeader4})
        Me.ListView2.Location = New System.Drawing.Point(432, 120)
        Me.ListView2.Name = "ListView2"
        Me.ListView2.Size = New System.Drawing.Size(312, 160)
        Me.ListView2.TabIndex = 7
        Me.ListView2.View = System.Windows.Forms.View.Details
        '
        'ColumnHeader1
        '
        Me.ColumnHeader1.Text = "书籍编号"
        '
        'ColumnHeader2
        '
        Me.ColumnHeader2.Text = "书籍名称"
        Me.ColumnHeader2.Width = 119
        '
        'ColumnHeader3
        '
        Me.ColumnHeader3.Text = "借阅时间"
        Me.ColumnHeader3.Width = 69
        '
        'ColumnHeader4
        '
        Me.ColumnHeader4.Text = "剩余天数"
        Me.ColumnHeader4.Width = 118
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(584, 304)
        Me.Button4.Name = "Button4"
        Me.Button4.TabIndex = 8
        Me.Button4.Text = "退出"
        '
        'Timer1
        '
        Me.Timer1.Enabled = True
        Me.Timer1.Interval = 1000
        '
        'Bookjieyue
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackColor = System.Drawing.SystemColors.ActiveBorder
        Me.ClientSize = New System.Drawing.Size(762, 357)
        Me.Controls.Add(Me.Button4)
        Me.Controls.Add(Me.ListView2)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.ListView1)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Panel1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog
        Me.MaximizeBox = False
        Me.Name = "Bookjieyue"
        Me.Text = "书籍借出与归还"
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Dim ListView_BookID As Integer
    Dim StudentsSID As Integer
    Dim myset_Row As Integer
    Function CheckButton2() As Boolean
        Dim checkSel As Boolean = False
        For i As Integer = 0 To ListView1.Items.Count - 1
            If ListView1.Items(i).Selected = True Then
                checkSel = True
                Exit For
            End If
        Next
        Return checkSel
    End Function
    Function CheckButton3() As Boolean
        Dim checkSel As Boolean = False
        For i As Integer = 0 To ListView2.Items.Count - 1
            If ListView2.Items(i).Selected = True Then
                checkSel = True
                Exit For
            End If
        Next
        Return checkSel
    End Function

    Private Sub FillDataToListView1()
        ListView1.Items.Clear()
        If mycon.State = ConnectionState.Closed Then
            mycon.Open()
        End If
        Dim myset As New DataSet
        myset.Clear()
        Dim sqlstr As String = "Select ID,Name,Anchor,Publisher,Price From Book Where Flag='1'"
        Dim myda As New SqlDataAdapter(sqlstr, mycon)
        myda.Fill(myset, "Book")
        '然后将myset中的内容显示在ListView控件中，呵呵
        Dim i As Integer
        Dim item As ListViewItem
        Dim SubItem2 As ListViewItem.ListViewSubItem
        Dim SubItem3 As ListViewItem.ListViewSubItem
        Dim SubItem4 As ListViewItem.ListViewSubItem
        Dim SubItem5 As ListViewItem.ListViewSubItem
        Try