inputclass.vb

档案管理系统

Public Class frmInputClass
    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 btnConfrim As System.Windows.Forms.Button
    Friend WithEvents btnCancel As System.Windows.Forms.Button
    Friend WithEvents cmbClass As System.Windows.Forms.ComboBox
    Friend WithEvents btnDefault As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents cmbCourse As System.Windows.Forms.ComboBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.btnConfrim = New System.Windows.Forms.Button
        Me.btnCancel = New System.Windows.Forms.Button
        Me.cmbClass = New System.Windows.Forms.ComboBox
        Me.btnDefault = New System.Windows.Forms.Button
        Me.Label2 = New System.Windows.Forms.Label
        Me.cmbCourse = New System.Windows.Forms.ComboBox
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(48, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "班级"
        '
        'btnConfrim
        '
        Me.btnConfrim.Location = New System.Drawing.Point(16, 96)
        Me.btnConfrim.Name = "btnConfrim"
        Me.btnConfrim.Size = New System.Drawing.Size(40, 23)
        Me.btnConfrim.TabIndex = 2
        Me.btnConfrim.Text = "确定"
        '
        'btnCancel
        '
        Me.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel
        Me.btnCancel.Location = New System.Drawing.Point(72, 96)
        Me.btnCancel.Name = "btnCancel"
        Me.btnCancel.Size = New System.Drawing.Size(40, 23)
        Me.btnCancel.TabIndex = 2
        Me.btnCancel.Text = "取消"
        '
        'cmbClass
        '
        Me.cmbClass.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList
        Me.cmbClass.Location = New System.Drawing.Point(72, 16)
        Me.cmbClass.Name = "cmbClass"
        Me.cmbClass.Size = New System.Drawing.Size(121, 20)
        Me.cmbClass.TabIndex = 3
        '
        'btnDefault
        '
        Me.btnDefault.DialogResult = System.Windows.Forms.DialogResult.OK
        Me.btnDefault.Location = New System.Drawing.Point(72, 96)
        Me.btnDefault.Name = "btnDefault"
        Me.btnDefault.Size = New System.Drawing.Size(40, 23)
        Me.btnDefault.TabIndex = 2
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 16)
        Me.Label2.TabIndex = 0
        Me.Label2.Text = "课程"
        '
        'cmbCourse
        '
        Me.cmbCourse.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList
        Me.cmbCourse.Location = New System.Drawing.Point(72, 56)
        Me.cmbCourse.Name = "cmbCourse"
        Me.cmbCourse.Size = New System.Drawing.Size(121, 20)
        Me.cmbCourse.TabIndex = 3
        '
        'frmInputClass
        '
        Me.AcceptButton = Me.btnConfrim
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.CancelButton = Me.btnCancel
        Me.ClientSize = New System.Drawing.Size(200, 125)
        Me.Controls.Add(Me.cmbClass)
        Me.Controls.Add(Me.btnConfrim)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.btnCancel)
        Me.Controls.Add(Me.btnDefault)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.cmbCourse)
        Me.MaximizeBox = False
        Me.Name = "frmInputClass"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "选择班级"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private myDataReader As System.Data.OleDb.OleDbDataReader
    Public classname As String
    Public coursename As String

    Private Sub InputClass_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        If OleConn.SelectQuery("select 班名 from 班级信息", myDataReader) Then
            While myDataReader.Read
                cmbClass.Items.Add(myDataReader.Item(0))
            End While
            myDataReader.Close()
        Else
            MsgBox("查询班级表失败")
        End If

        If OleConn.SelectQuery("select 课程名 from 课程信息", myDataReader) Then
            While myDataReader.Read
                cmbCourse.Items.Add(myDataReader.Item(0))
            End While
            myDataReader.Close()
        Else
            MsgBox("查询课程表失败")
        End If
    End Sub

    Private Sub btnConfrim_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConfrim.Click
        Dim str As String

        If cmbClass.SelectedIndex >= 0 Then
            classname = cmbClass.SelectedItem

            coursename = cmbCourse.SelectedItem
            btnDefault.PerformClick()
        Else
            cmbClass.Focus()
            MsgBox("请选择班级")
        End If
    End Sub
End Class