form4.vb

学生信息管理系统

Public Class Form4
    Inherits System.Windows.Forms.Form
    Dim i As Integer
    Dim cl As String
    Dim score As String
#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 TabControl1 As System.Windows.Forms.TabControl
    Friend WithEvents TabPage1 As System.Windows.Forms.TabPage
    Friend WithEvents TabPage2 As System.Windows.Forms.TabPage
    Friend WithEvents TabPage3 As System.Windows.Forms.TabPage
    Friend WithEvents TabPage4 As System.Windows.Forms.TabPage
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents ComboBox2 As System.Windows.Forms.ComboBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents ComboBox3 As System.Windows.Forms.ComboBox
    Friend WithEvents ComboBox4 As System.Windows.Forms.ComboBox
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label8 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents DataGrid4 As System.Windows.Forms.DataGrid
    Friend WithEvents DataView1 As System.Data.DataView
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents Button6 As System.Windows.Forms.Button
    Friend WithEvents Button7 As System.Windows.Forms.Button
    Friend WithEvents Button8 As System.Windows.Forms.Button
    Friend WithEvents Label9 As System.Windows.Forms.Label
    Friend WithEvents ComboBox7 As System.Windows.Forms.ComboBox
    Friend WithEvents Button9 As System.Windows.Forms.Button
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents ComboBox5 As System.Windows.Forms.ComboBox
    Friend WithEvents Button10 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form4))
        Me.TabControl1 = New System.Windows.Forms.TabControl
        Me.TabPage1 = New System.Windows.Forms.TabPage
        Me.Button7 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.ComboBox2 = New System.Windows.Forms.ComboBox
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.TabPage2 = New System.Windows.Forms.TabPage
        Me.Button8 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.ComboBox4 = New System.Windows.Forms.ComboBox
        Me.ComboBox3 = New System.Windows.Forms.ComboBox
        Me.Label5 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.TabPage3 = New System.Windows.Forms.TabPage
        Me.ComboBox5 = New System.Windows.Forms.ComboBox
        Me.Label6 = New System.Windows.Forms.Label
        Me.Button9 = New System.Windows.Forms.Button
        Me.ComboBox7 = New System.Windows.Forms.ComboBox
        Me.Label9 = New System.Windows.Forms.Label
        Me.Button3 = New System.Windows.Forms.Button
        Me.Label8 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TabPage4 = New System.Windows.Forms.TabPage
        Me.Button10 = New System.Windows.Forms.Button
        Me.Button6 = New System.Windows.Forms.Button
        Me.Button5 = New System.Windows.Forms.Button
        Me.DataGrid4 = New System.Windows.Forms.DataGrid
        Me.DataView1 = New System.Data.DataView
        Me.Button4 = New System.Windows.Forms.Button
        Me.TabControl1.SuspendLayout()
        Me.TabPage1.SuspendLayout()
        Me.TabPage2.SuspendLayout()
        Me.TabPage3.SuspendLayout()
        Me.TabPage4.SuspendLayout()
        CType(Me.DataGrid4, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.DataView1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'TabControl1
        '
        Me.TabControl1.Controls.Add(Me.TabPage1)
        Me.TabControl1.Controls.Add(Me.TabPage2)
        Me.TabControl1.Controls.Add(Me.TabPage3)
        Me.TabControl1.Controls.Add(Me.TabPage4)
        Me.TabControl1.Location = New System.Drawing.Point(8, 16)
        Me.TabControl1.Name = "TabControl1"
        Me.TabControl1.SelectedIndex = 0
        Me.TabControl1.Size = New System.Drawing.Size(328, 264)
        Me.TabControl1.TabIndex = 0
        '
        'TabPage1
        '
        Me.TabPage1.BackgroundImage = CType(resources.GetObject("TabPage1.BackgroundImage"), System.Drawing.Image)
        Me.TabPage1.Controls.Add(Me.Button7)
        Me.TabPage1.Controls.Add(Me.Button1)
        Me.TabPage1.Controls.Add(Me.TextBox1)
        Me.TabPage1.Controls.Add(Me.ComboBox2)
        Me.TabPage1.Controls.Add(Me.ComboBox1)
        Me.TabPage1.Controls.Add(Me.Label3)
        Me.TabPage1.Controls.Add(Me.Label2)
        Me.TabPage1.Controls.Add(Me.Label1)
        Me.TabPage1.Location = New System.Drawing.Point(4, 21)
        Me.TabPage1.Name = "TabPage1"
        Me.TabPage1.Size = New System.Drawing.Size(320, 239)
        Me.TabPage1.TabIndex = 0
        Me.TabPage1.Text = "添加成绩"
        '
        'Button7
        '
        Me.Button7.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button7.Location = New System.Drawing.Point(144, 160)
        Me.Button7.Name = "Button7"
        Me.Button7.Size = New System.Drawing.Size(80, 32)
        Me.Button7.TabIndex = 8
        Me.Button7.Text = "取消"
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button1.Location = New System.Drawing.Point(40, 160)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(80, 32)
        Me.Button1.TabIndex = 7
        Me.Button1.Text = "添加"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(104, 120)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(120, 21)
        Me.TextBox1.TabIndex = 6
        Me.TextBox1.Text = ""
        '
        'ComboBox2
        '
        Me.ComboBox2.Location = New System.Drawing.Point(104, 72)
        Me.ComboBox2.Name = "ComboBox2"
        Me.ComboBox2.Size = New System.Drawing.Size(121, 20)
        Me.ComboBox2.TabIndex = 5
        '
        'ComboBox1
        '
        Me.ComboBox1.Location = New System.Drawing.Point(104, 24)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(121, 20)
        Me.ComboBox1.TabIndex = 4
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(32, 120)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(48, 24)
        Me.Label3.TabIndex = 3
        Me.Label3.Text = "分数："
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(32, 72)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(72, 24)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "课程名称："
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(32, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(56, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "学号："
        '
        'TabPage2
        '
        Me.TabPage2.Controls.Add(Me.Button8)
        Me.TabPage2.Controls.Add(Me.Button2)
        Me.TabPage2.Controls.Add(Me.ComboBox4)
        Me.TabPage2.Controls.Add(Me.ComboBox3)
        Me.TabPage2.Controls.Add(Me.Label5)
        Me.TabPage2.Controls.Add(Me.Label4)
        Me.TabPage2.Location = New System.Drawing.Point(4, 21)
        Me.TabPage2.Name = "TabPage2"
        Me.TabPage2.Size = New System.Drawing.Size(320, 239)
        Me.TabPage2.TabIndex = 1
        Me.TabPage2.Text = "删除成绩"
        '
        'Button8
        '
        Me.Button8.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button8.Location = New System.Drawing.Point(152, 144)
        Me.Button8.Name = "Button8"
        Me.Button8.Size = New System.Drawing.Size(64, 32)
        Me.Button8.TabIndex = 6
        Me.Button8.Text = "取消"
        '
        'Button2
        '
        Me.Button2.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button2.Location = New System.Drawing.Point(32, 144)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 32)
        Me.Button2.TabIndex = 5
        Me.Button2.Text = "删除"
        '
        'ComboBox4
        '
        Me.ComboBox4.Location = New System.Drawing.Point(120, 72)
        Me.ComboBox4.Name = "ComboBox4"
        Me.ComboBox4.Size = New System.Drawing.Size(88, 20)
        Me.ComboBox4.TabIndex = 4
        '
        'ComboBox3
        '
        Me.ComboBox3.Location = New System.Drawing.Point(120, 24)
        Me.ComboBox3.Name = "ComboBox3"
        Me.ComboBox3.Size = New System.Drawing.Size(88, 20)
        Me.ComboBox3.TabIndex = 3
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(40, 72)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(72, 16)
        Me.Label5.TabIndex = 2
        Me.Label5.Text = "课程名称："
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(40, 24)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(48, 16)
        Me.Label4.TabIndex = 1
        Me.Label4.Text = "学号："
        '
        'TabPage3
        '
        Me.TabPage3.Controls.Add(Me.ComboBox5)
        Me.TabPage3.Controls.Add(Me.Label6)
        Me.TabPage3.Controls.Add(Me.Button9)
        Me.TabPage3.Controls.Add(Me.ComboBox7)
        Me.TabPage3.Controls.Add(Me.Label9)
        Me.TabPage3.Controls.Add(Me.Button3)
        Me.TabPage3.Controls.Add(Me.Label8)
        Me.TabPage3.Controls.Add(Me.TextBox2)
        Me.TabPage3.Location = New System.Drawing.Point(4, 21)
        Me.TabPage3.Name = "TabPage3"
        Me.TabPage3.Size = New System.Drawing.Size(320, 239)
        Me.TabPage3.TabIndex = 2
        Me.TabPage3.Text = "修改成绩"
        '
        'ComboBox5
        '
        Me.ComboBox5.Location = New System.Drawing.Point(192, 80)
        Me.ComboBox5.Name = "ComboBox5"
        Me.ComboBox5.Size = New System.Drawing.Size(80, 20)
        Me.ComboBox5.TabIndex = 13
        '
        'Label6
        '
        Me.Label6.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label6.Location = New System.Drawing.Point(8, 72)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(128, 40)
        Me.Label6.TabIndex = 12
        Me.Label6.Text = "请选择您要修改的课程名称："
        '
        'Button9
        '
        Me.Button9.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button9.Location = New System.Drawing.Point(176, 176)
        Me.Button9.Name = "Button9"
        Me.Button9.Size = New System.Drawing.Size(75, 40)
        Me.Button9.TabIndex = 11
        Me.Button9.Text = "取消"
        '
        'ComboBox7
        '
        Me.ComboBox7.Location = New System.Drawing.Point(192, 32)
        Me.ComboBox7.Name = "ComboBox7"
        Me.ComboBox7.Size = New System.Drawing.Size(80, 20)
        Me.ComboBox7.TabIndex = 9
        '
        'Label9
        '
        Me.Label9.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label9.Location = New System.Drawing.Point(8, 32)
        Me.Label9.Name = "Label9"
        Me.Label9.Size = New System.Drawing.Size(184, 24)
        Me.Label9.TabIndex = 8
        Me.Label9.Text = "请选择您要修改的学生:"
        '
        'Button3
        '
        Me.Button3.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Button3.Location = New System.Drawing.Point(48, 176)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(75, 40)
        Me.Button3.TabIndex = 7
        Me.Button3.Text = "修改"
        '
        'Label8
        '
        Me.Label8.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label8.Location = New System.Drawing.Point(8, 136)
        Me.Label8.Name = "Label8"
        Me.Label8.Size = New System.Drawing.Size(120, 24)
        Me.Label8.TabIndex = 3
        Me.Label8.Text = "修改后的成绩:"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(192, 136)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(80, 21)
        Me.TextBox2.TabIndex = 6
        Me.TextBox2.Text = ""
        '
        'TabPage4
        '
        Me.TabPage4.Controls.Add(Me.Button10)
        Me.TabPage4.Controls.Add(Me.Button6)
        Me.TabPage4.Controls.Add(Me.Button5)