form1.vb

Source code for VB.NET book - Chapter 6

Public Class Form1
    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 DataSet1 As System.Data.DataSet
    Friend WithEvents DataTable1 As System.Data.DataTable
    Friend WithEvents DataColumn1 As System.Data.DataColumn
    Friend WithEvents DataColumn2 As System.Data.DataColumn
    Friend WithEvents DataColumn3 As System.Data.DataColumn
    Friend WithEvents DataColumn4 As System.Data.DataColumn
    Friend WithEvents DataColumn5 As System.Data.DataColumn
    Friend WithEvents DataColumn6 As System.Data.DataColumn
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    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 Label4 As System.Windows.Forms.Label
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.DataSet1 = New System.Data.DataSet
        Me.DataTable1 = New System.Data.DataTable
        Me.DataColumn1 = New System.Data.DataColumn
        Me.DataColumn2 = New System.Data.DataColumn
        Me.DataColumn3 = New System.Data.DataColumn
        Me.DataColumn4 = New System.Data.DataColumn
        Me.DataColumn5 = New System.Data.DataColumn
        Me.DataColumn6 = New System.Data.DataColumn
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        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.Label4 = New System.Windows.Forms.Label
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.Label5 = New System.Windows.Forms.Label
        Me.TextBox5 = New System.Windows.Forms.TextBox
        Me.Label6 = New System.Windows.Forms.Label
        Me.TextBox6 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        CType(Me.DataSet1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.DataTable1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'DataSet1
        '
        Me.DataSet1.DataSetName = "NewDataSet"
        Me.DataSet1.Locale = New System.Globalization.CultureInfo("zh-CN")
        Me.DataSet1.Tables.AddRange(New System.Data.DataTable() {Me.DataTable1})
        '
        'DataTable1
        '
        Me.DataTable1.Columns.AddRange(New System.Data.DataColumn() {Me.DataColumn1, Me.DataColumn2, Me.DataColumn3, Me.DataColumn4, Me.DataColumn5, Me.DataColumn6})
        Me.DataTable1.TableName = "Table1"
        '
        'DataColumn1
        '
        Me.DataColumn1.Caption = "姓名"
        Me.DataColumn1.ColumnName = "姓名"
        '
        'DataColumn2
        '
        Me.DataColumn2.ColumnName = "语文"
        Me.DataColumn2.DataType = GetType(System.Int32)
        '
        'DataColumn3
        '
        Me.DataColumn3.Caption = "数学"
        Me.DataColumn3.ColumnName = "数学"
        Me.DataColumn3.DataType = GetType(System.Int32)
        '
        'DataColumn4
        '
        Me.DataColumn4.ColumnName = "英语"
        Me.DataColumn4.DataType = GetType(System.Int32)
        '
        'DataColumn5
        '
        Me.DataColumn5.ColumnName = "综合"
        Me.DataColumn5.DataType = GetType(System.Int32)
        '
        'DataColumn6
        '
        Me.DataColumn6.ColumnName = "准考证号"
        '
        'DataGrid1
        '
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.DataSource = Me.DataTable1
        Me.DataGrid1.Dock = System.Windows.Forms.DockStyle.Top
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(0, 0)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.Size = New System.Drawing.Size(488, 216)
        Me.DataGrid1.TabIndex = 0
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 224)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(48, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "姓名："
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(64, 224)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(64, 20)
        Me.TextBox1.TabIndex = 2
        Me.TextBox1.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(168, 224)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 24)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "语文："
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(216, 224)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(72, 20)
        Me.TextBox2.TabIndex = 4
        Me.TextBox2.Text = ""
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(24, 256)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(48, 24)
        Me.Label3.TabIndex = 5
        Me.Label3.Text = "数学："
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(64, 256)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(64, 20)
        Me.TextBox3.TabIndex = 6
        Me.TextBox3.Text = ""
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(168, 256)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(48, 24)
        Me.Label4.TabIndex = 7
        Me.Label4.Text = "英语："
        '
        'TextBox4
        '
        Me.TextBox4.Location = New System.Drawing.Point(216, 256)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.Size = New System.Drawing.Size(72, 20)
        Me.TextBox4.TabIndex = 8
        Me.TextBox4.Text = ""
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(24, 288)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(48, 24)
        Me.Label5.TabIndex = 9
        Me.Label5.Text = "综合："
        '
        'TextBox5
        '
        Me.TextBox5.Location = New System.Drawing.Point(64, 288)
        Me.TextBox5.Name = "TextBox5"
        Me.TextBox5.Size = New System.Drawing.Size(64, 20)
        Me.TextBox5.TabIndex = 10
        Me.TextBox5.Text = ""
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(144, 288)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(80, 24)
        Me.Label6.TabIndex = 11
        Me.Label6.Text = "准考证号："
        '
        'TextBox6
        '
        Me.TextBox6.Location = New System.Drawing.Point(216, 288)
        Me.TextBox6.Name = "TextBox6"
        Me.TextBox6.Size = New System.Drawing.Size(72, 20)
        Me.TextBox6.TabIndex = 12
        Me.TextBox6.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(328, 224)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 13
        Me.Button1.Text = "显  示"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(328, 264)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.TabIndex = 14
        Me.Button2.Text = "添  加"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(488, 318)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox6)
        Me.Controls.Add(Me.Label6)
        Me.Controls.Add(Me.TextBox5)
        Me.Controls.Add(Me.Label5)
        Me.Controls.Add(Me.TextBox4)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.DataGrid1)
        Me.Name = "Form1"
        Me.Text = "数据表"
        CType(Me.DataSet1, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.DataTable1, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim row1 As DataRow
        row1 = DataTable1.NewRow
        row1("姓名") = "Tom"
        row1("语文") = 121
        row1("数学") = 145
        row1("英语") = 134
        row1("综合") = 127
        row1("准考证号") = "032158"
        DataTable1.Rows.Add(row1)

        row1 = DataTable1.NewRow
        row1("姓名") = "John"
        row1("语文") = 95
        row1("数学") = 102
        row1("英语") = 94
        row1("综合") = 85
        row1("准考证号") = "032176"
        DataTable1.Rows.Add(row1)

        row1 = DataTable1.NewRow
        row1("姓名") = "Alice"
        row1("语文") = 137
        row1("数学") = 96
        row1("英语") = 125
        row1("综合") = 94
        row1("准考证号") = "032152"
        DataTable1.Rows.Add(row1)

        row1 = DataTable1.NewRow
        row1("姓名") = "Jack"
        row1("语文") = 98
        row1("数学") = 134
        row1("英语") = 87
        row1("综合") = 124
        row1("准考证号") = "032156"
        DataTable1.Rows.Add(row1)
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim row1 As DataRow
        row1 = DataTable1.NewRow
        row1("姓名") = TextBox1.Text
        row1("语文") = CInt(TextBox2.Text)
        row1("数学") = CInt(TextBox3.Text)
        row1("英语") = CInt(TextBox4.Text)
        row1("综合") = CInt(TextBox5.Text)
        row1("准考证号") = TextBox6.Text
        DataTable1.Rows.Add(row1)
        DataTable1.AcceptChanges()
    End Sub
End Class