frmselect.vb

vb.net+SQL开发工具 是一个很好的管理系统的源码

Public Class frmSelect
    Inherits System.Windows.Forms.Form
    Private dtData As DataTable
    Private dtSubject As DataTable
#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 Label3 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents dgdList As System.Windows.Forms.DataGrid
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents Label7 As System.Windows.Forms.Label
    Friend WithEvents Label8 As System.Windows.Forms.Label
    Friend WithEvents Label9 As System.Windows.Forms.Label
    Friend WithEvents txbGrade As System.Windows.Forms.TextBox
    Friend WithEvents txbName As System.Windows.Forms.TextBox
    Friend WithEvents txbId As System.Windows.Forms.TextBox
    Friend WithEvents btnDisplay As System.Windows.Forms.Button
    Friend WithEvents btnDel As System.Windows.Forms.Button
    Friend WithEvents btnSelect As System.Windows.Forms.Button
    Friend WithEvents btnSearch As System.Windows.Forms.Button
    Friend WithEvents txbCNumber As System.Windows.Forms.TextBox
    Friend WithEvents txbCId As System.Windows.Forms.TextBox
    Friend WithEvents txbCName As System.Windows.Forms.TextBox
    Friend WithEvents txbPY As System.Windows.Forms.TextBox
    Friend WithEvents dgdSubject As System.Windows.Forms.DataGrid
    Friend WithEvents grbTop As System.Windows.Forms.GroupBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmSelect))
        Me.grbTop = New System.Windows.Forms.GroupBox
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.txbGrade = New System.Windows.Forms.TextBox
        Me.txbName = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.txbId = New System.Windows.Forms.TextBox
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.dgdList = New System.Windows.Forms.DataGrid
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.Label9 = New System.Windows.Forms.Label
        Me.dgdSubject = New System.Windows.Forms.DataGrid
        Me.btnDisplay = New System.Windows.Forms.Button
        Me.btnDel = New System.Windows.Forms.Button
        Me.btnSelect = New System.Windows.Forms.Button
        Me.btnSearch = New System.Windows.Forms.Button
        Me.Label8 = New System.Windows.Forms.Label
        Me.txbCNumber = New System.Windows.Forms.TextBox
        Me.Label7 = New System.Windows.Forms.Label
        Me.txbCId = New System.Windows.Forms.TextBox
        Me.Label6 = New System.Windows.Forms.Label
        Me.txbCName = New System.Windows.Forms.TextBox
        Me.Label5 = New System.Windows.Forms.Label
        Me.txbPY = New System.Windows.Forms.TextBox
        Me.grbTop.SuspendLayout()
        Me.GroupBox1.SuspendLayout()
        CType(Me.dgdList, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.GroupBox2.SuspendLayout()
        CType(Me.dgdSubject, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'grbTop
        '
        Me.grbTop.Controls.Add(Me.Label4)
        Me.grbTop.Controls.Add(Me.Label3)
        Me.grbTop.Controls.Add(Me.txbGrade)
        Me.grbTop.Controls.Add(Me.txbName)
        Me.grbTop.Controls.Add(Me.Label2)
        Me.grbTop.Controls.Add(Me.Label1)
        Me.grbTop.Controls.Add(Me.txbId)
        Me.grbTop.Dock = System.Windows.Forms.DockStyle.Top
        Me.grbTop.Location = New System.Drawing.Point(0, 0)
        Me.grbTop.Name = "grbTop"
        Me.grbTop.Size = New System.Drawing.Size(640, 64)
        Me.grbTop.TabIndex = 3
        Me.grbTop.TabStop = False
        Me.grbTop.Text = "学生信息"
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(376, 11)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(256, 40)
        Me.Label4.TabIndex = 7
        Me.Label4.Text = "这里输入学号后回车，正常操作是学生用自己的学号登陆到系统，只能选择自己的课程。因为系统没有制作登陆功能，所以这么处理。"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(264, 27)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(32, 15)
        Me.Label3.TabIndex = 6
        Me.Label3.Text = "班级"
        '
        'txbGrade
        '
        Me.txbGrade.Location = New System.Drawing.Point(304, 22)
        Me.txbGrade.Name = "txbGrade"
        Me.txbGrade.ReadOnly = True
        Me.txbGrade.Size = New System.Drawing.Size(56, 21)
        Me.txbGrade.TabIndex = 5
        Me.txbGrade.Text = ""
        '
        'txbName
        '
        Me.txbName.Location = New System.Drawing.Point(192, 22)
        Me.txbName.Name = "txbName"
        Me.txbName.ReadOnly = True
        Me.txbName.Size = New System.Drawing.Size(56, 21)
        Me.txbName.TabIndex = 4
        Me.txbName.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(160, 27)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(32, 15)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "姓名"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 27)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(32, 15)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "学号"
        '
        'txbId
        '
        Me.txbId.Location = New System.Drawing.Point(40, 22)
        Me.txbId.Name = "txbId"
        Me.txbId.Size = New System.Drawing.Size(112, 21)
        Me.txbId.TabIndex = 1
        Me.txbId.Text = ""
        '
        'GroupBox1
        '
        Me.GroupBox1.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.GroupBox1.Controls.Add(Me.dgdList)
        Me.GroupBox1.Location = New System.Drawing.Point(0, 64)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(640, 120)
        Me.GroupBox1.TabIndex = 4
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "已选课程"
        '
        'dgdList
        '
        Me.dgdList.CaptionVisible = False
        Me.dgdList.DataMember = ""
        Me.dgdList.Dock = System.Windows.Forms.DockStyle.Fill
        Me.dgdList.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dgdList.Location = New System.Drawing.Point(3, 17)
        Me.dgdList.Name = "dgdList"
        Me.dgdList.Size = New System.Drawing.Size(634, 100)
        Me.dgdList.TabIndex = 0
        '
        'GroupBox2
        '
        Me.GroupBox2.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.GroupBox2.Controls.Add(Me.Label9)
        Me.GroupBox2.Controls.Add(Me.dgdSubject)
        Me.GroupBox2.Controls.Add(Me.btnDisplay)
        Me.GroupBox2.Controls.Add(Me.btnDel)
        Me.GroupBox2.Controls.Add(Me.btnSelect)
        Me.GroupBox2.Controls.Add(Me.btnSearch)
        Me.GroupBox2.Controls.Add(Me.Label8)
        Me.GroupBox2.Controls.Add(Me.txbCNumber)
        Me.GroupBox2.Controls.Add(Me.Label7)
        Me.GroupBox2.Controls.Add(Me.txbCId)
        Me.GroupBox2.Controls.Add(Me.Label6)
        Me.GroupBox2.Controls.Add(Me.txbCName)
        Me.GroupBox2.Controls.Add(Me.Label5)
        Me.GroupBox2.Controls.Add(Me.txbPY)
        Me.GroupBox2.Location = New System.Drawing.Point(0, 184)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(640, 136)
        Me.GroupBox2.TabIndex = 5
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "课程信息"
        '
        'Label9
        '
        Me.Label9.Location = New System.Drawing.Point(288, 40)
        Me.Label9.Name = "Label9"
        Me.Label9.Size = New System.Drawing.Size(328, 40)
        Me.Label9.TabIndex = 16
        Me.Label9.Text = "选择相应的课程序号，单击【选课】按钮，系统先检查该课程编号是否已选或上课时间是否冲突，注意一个课程编号可以对应多个课序号，既一门课在多个时间上的情况。"
        '
        'dgdSubject
        '
        Me.dgdSubject.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.dgdSubject.CaptionVisible = False
        Me.dgdSubject.DataMember = ""
        Me.dgdSubject.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dgdSubject.Location = New System.Drawing.Point(3, 88)
        Me.dgdSubject.Name = "dgdSubject"
        Me.dgdSubject.Size = New System.Drawing.Size(634, 44)
        Me.dgdSubject.TabIndex = 15
        '
        'btnDisplay
        '
        Me.btnDisplay.Location = New System.Drawing.Point(512, 13)
        Me.btnDisplay.Name = "btnDisplay"
        Me.btnDisplay.Size = New System.Drawing.Size(64, 23)
        Me.btnDisplay.TabIndex = 14
        Me.btnDisplay.Text = "显示课表"
        '
        'btnDel
        '
        Me.btnDel.Location = New System.Drawing.Point(440, 13)
        Me.btnDel.Name = "btnDel"
        Me.btnDel.Size = New System.Drawing.Size(48, 23)
        Me.btnDel.TabIndex = 13
        Me.btnDel.Text = "删除"
        '
        'btnSelect
        '
        Me.btnSelect.Location = New System.Drawing.Point(368, 13)
        Me.btnSelect.Name = "btnSelect"
        Me.btnSelect.Size = New System.Drawing.Size(48, 23)
        Me.btnSelect.TabIndex = 12
        Me.btnSelect.Text = "选课"
        '
        'btnSearch
        '
        Me.btnSearch.Location = New System.Drawing.Point(288, 13)
        Me.btnSearch.Name = "btnSearch"
        Me.btnSearch.Size = New System.Drawing.Size(48, 23)
        Me.btnSearch.TabIndex = 11
        Me.btnSearch.Text = "查询"
        '
        'Label8
        '
        Me.Label8.Location = New System.Drawing.Point(152, 52)
        Me.Label8.Name = "Label8"