form2.vb

图书管理系统VB.NET版本

Public Class Form2
    Inherits System.Windows.Forms.Form
    Dim Row As DataRowCollection
    Dim TheRow As Int16

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Button7 As System.Windows.Forms.Button
    Friend WithEvents Button6 As System.Windows.Forms.Button
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.Button7 = New System.Windows.Forms.Button
        Me.Button6 = New System.Windows.Forms.Button
        Me.Button5 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(40, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(56, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "ID编号"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(96, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(112, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(40, 72)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(32, 16)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "姓名"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(96, 64)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(112, 21)
        Me.TextBox2.TabIndex = 3
        Me.TextBox2.Text = ""
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(40, 128)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(32, 16)
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "单位"
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(96, 120)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(224, 21)
        Me.TextBox3.TabIndex = 5
        Me.TextBox3.Text = ""
        '
        'Button7
        '
        Me.Button7.Location = New System.Drawing.Point(288, 200)
        Me.Button7.Name = "Button7"
        Me.Button7.Size = New System.Drawing.Size(56, 32)
        Me.Button7.TabIndex = 52
        Me.Button7.Text = "修改"
        '
        'Button6
        '
        Me.Button6.Location = New System.Drawing.Point(416, 200)
        Me.Button6.Name = "Button6"
        Me.Button6.Size = New System.Drawing.Size(56, 32)
        Me.Button6.TabIndex = 51
        Me.Button6.Text = "返回"
        '
        'Button5
        '
        Me.Button5.Location = New System.Drawing.Point(344, 200)
        Me.Button5.Name = "Button5"
        Me.Button5.Size = New System.Drawing.Size(72, 32)
        Me.Button5.TabIndex = 50
        Me.Button5.Text = "修改确认"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(224, 200)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(64, 32)
        Me.Button4.TabIndex = 49
        Me.Button4.Text = "下一个"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(160, 200)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(64, 32)
        Me.Button3.TabIndex = 48
        Me.Button3.Text = "上一个"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(96, 200)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 32)
        Me.Button2.TabIndex = 47
        Me.Button2.Text = "尾记录"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(24, 200)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 32)
        Me.Button1.TabIndex = 46
        Me.Button1.Text = "首记录"
        '
        'Form2
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(498, 264)
        Me.ControlBox = False
        Me.Controls.Add(Me.Button7)
        Me.Controls.Add(Me.Button6)
        Me.Controls.Add(Me.Button5)
        Me.Controls.Add(Me.Button4)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow
        Me.Name = "Form2"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "读者库管理"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ds = New DataSet   '数据表集合
        da = New OleDb.OleDbDataAdapter("SELECT * FROM borrower", ConAccess)  '引用方式
        da.Fill(ds, "borrower")
        TextBox1.DataBindings.Add("Text", ds.Tables("borrower"), "ID")
        TextBox2.DataBindings.Add("Text", ds.Tables("borrower"), "xm")
        TextBox3.DataBindings.Add("Text", ds.Tables("borrower"), "jys")
        Row = ds.Tables("borrower").Rows
        TextBox1.Enabled = False
        TextBox2.Enabled = False
        TextBox3.Enabled = False
    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        Me.Close()
    End Sub

    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        TheRow = 0
        TextBox1.Text = Row(TheRow).Item(0).ToString
        TextBox2.Text = Row(TheRow).Item(1).ToString
        TextBox3.Text = Row(TheRow).Item(2).ToString
    End Sub

    Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
        TheRow = Row.Count - 1
        TextBox1.Text = Row(TheRow).Item(0).ToString
        TextBox2.Text = Row(TheRow).Item(1).ToString
        TextBox3.Text = Row(TheRow).Item(2).ToString
    End Sub

    Private Sub Button3_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button3.Click
        If TheRow > 0 Then
            TheRow = TheRow - 1
            TextBox1.Text = Row(TheRow).Item(0).ToString
            TextBox2.Text = Row(TheRow).Item(1).ToString
            TextBox3.Text = Row(TheRow).Item(2).ToString
        Else
            MessageBox.Show("已经到了文件首部！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
        End If
    End Sub

    Private Sub Button4_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button4.Click
        If TheRow < Row.Count - 1 Then
            TheRow = TheRow + 1
            TextBox1.Text = Row(TheRow).Item(0).ToString
            TextBox2.Text = Row(TheRow).Item(1).ToString
            TextBox3.Text = Row(TheRow).Item(2).ToString
        Else
            MessageBox.Show("已经到了文件尾部！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
        End If
    End Sub

    Private Sub Button7_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button7.Click
        TextBox1.Enabled = True
        TextBox2.Enabled = True
        TextBox3.Enabled = True
        Row(TheRow).BeginEdit()
    End Sub

    Private Sub Button5_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button5.Click
        Row(TheRow).EndEdit()
        TextBox1.Enabled = False
        TextBox2.Enabled = False
        TextBox3.Enabled = False
    End Sub
End Class