main.vb

档案管理系统

Public Class frmMain
    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 mmnMain As System.Windows.Forms.MainMenu
    Friend WithEvents mniExit As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem5 As System.Windows.Forms.MenuItem
    Friend WithEvents stbMain As System.Windows.Forms.StatusBar
    Friend WithEvents mniLogin As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem4 As System.Windows.Forms.MenuItem
    Friend WithEvents mniSysManager As System.Windows.Forms.MenuItem
    Friend WithEvents mniSpecialSetup As System.Windows.Forms.MenuItem
    Friend WithEvents mniCollogeSetup As System.Windows.Forms.MenuItem
    Friend WithEvents mniStudentQuery As System.Windows.Forms.MenuItem
    Friend WithEvents mniClassManager As System.Windows.Forms.MenuItem
    Friend WithEvents mniCourseSetup As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents mniModify As System.Windows.Forms.MenuItem
    Friend WithEvents mniSelect As System.Windows.Forms.MenuItem
    Friend WithEvents mniWindow As System.Windows.Forms.MenuItem
    Friend WithEvents mniResult As System.Windows.Forms.MenuItem
    Friend WithEvents mniRegisterQuery As System.Windows.Forms.MenuItem
    Friend WithEvents mniRegister As System.Windows.Forms.MenuItem
    Friend WithEvents mniResultQuery As System.Windows.Forms.MenuItem
    Friend WithEvents mniOneResult As System.Windows.Forms.MenuItem
    Friend WithEvents mniClassResult As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.mmnMain = New System.Windows.Forms.MainMenu
        Me.mniSysManager = New System.Windows.Forms.MenuItem
        Me.mniLogin = New System.Windows.Forms.MenuItem
        Me.MenuItem4 = New System.Windows.Forms.MenuItem
        Me.mniSpecialSetup = New System.Windows.Forms.MenuItem
        Me.mniCollogeSetup = New System.Windows.Forms.MenuItem
        Me.mniCourseSetup = New System.Windows.Forms.MenuItem
        Me.mniClassManager = New System.Windows.Forms.MenuItem
        Me.MenuItem5 = New System.Windows.Forms.MenuItem
        Me.mniExit = New System.Windows.Forms.MenuItem
        Me.mniRegisterQuery = New System.Windows.Forms.MenuItem
        Me.mniRegister = New System.Windows.Forms.MenuItem
        Me.mniStudentQuery = New System.Windows.Forms.MenuItem
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.mniModify = New System.Windows.Forms.MenuItem
        Me.mniSelect = New System.Windows.Forms.MenuItem
        Me.mniResult = New System.Windows.Forms.MenuItem
        Me.mniResultQuery = New System.Windows.Forms.MenuItem
        Me.mniOneResult = New System.Windows.Forms.MenuItem
        Me.mniClassResult = New System.Windows.Forms.MenuItem
        Me.mniWindow = New System.Windows.Forms.MenuItem
        Me.stbMain = New System.Windows.Forms.StatusBar
        Me.SuspendLayout()
        '
        'mmnMain
        '
        Me.mmnMain.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mniSysManager, Me.mniRegisterQuery, Me.MenuItem1, Me.mniWindow})
        '
        'mniSysManager
        '
        Me.mniSysManager.Index = 0
        Me.mniSysManager.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mniLogin, Me.MenuItem4, Me.mniSpecialSetup, Me.mniCollogeSetup, Me.mniCourseSetup, Me.mniClassManager, Me.MenuItem5, Me.mniExit})
        Me.mniSysManager.Text = "系统管理"
        '
        'mniLogin
        '
        Me.mniLogin.Index = 0
        Me.mniLogin.Text = "用户登录"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 1
        Me.MenuItem4.Text = "-"
        '
        'mniSpecialSetup
        '
        Me.mniSpecialSetup.Enabled = False
        Me.mniSpecialSetup.Index = 2
        Me.mniSpecialSetup.Text = "专业设置"
        '
        'mniCollogeSetup
        '
        Me.mniCollogeSetup.Enabled = False
        Me.mniCollogeSetup.Index = 3
        Me.mniCollogeSetup.Text = "学院设置"
        '
        'mniCourseSetup
        '
        Me.mniCourseSetup.Enabled = False
        Me.mniCourseSetup.Index = 4
        Me.mniCourseSetup.Text = "课程设置"
        '
        'mniClassManager
        '
        Me.mniClassManager.Enabled = False
        Me.mniClassManager.Index = 5
        Me.mniClassManager.Text = "班级管理"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 6
        Me.MenuItem5.Text = "-"
        '
        'mniExit
        '
        Me.mniExit.Index = 7
        Me.mniExit.Text = "退出系统"
        '
        'mniRegisterQuery
        '
        Me.mniRegisterQuery.Enabled = False
        Me.mniRegisterQuery.Index = 1
        Me.mniRegisterQuery.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mniRegister, Me.mniStudentQuery})
        Me.mniRegisterQuery.Text = "注册查询"
        '
        'mniRegister
        '
        Me.mniRegister.Index = 0
        Me.mniRegister.Text = "新生注册"
        '
        'mniStudentQuery
        '
        Me.mniStudentQuery.Index = 1
        Me.mniStudentQuery.Text = "学生查询"
        '
        'MenuItem1
        '
        Me.MenuItem1.Enabled = False
        Me.MenuItem1.Index = 2
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mniModify, Me.mniSelect, Me.mniResult, Me.mniResultQuery})
        Me.MenuItem1.Text = "学生管理"
        '
        'mniModify
        '
        Me.mniModify.Index = 0
        Me.mniModify.Text = "信息修改"
        '
        'mniSelect
        '
        Me.mniSelect.Index = 1
        Me.mniSelect.Text = "选课登记"
        '
        'mniResult
        '
        Me.mniResult.Index = 2
        Me.mniResult.Text = "成绩登记"
        '
        'mniResultQuery
        '
        Me.mniResultQuery.Index = 3
        Me.mniResultQuery.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mniOneResult, Me.mniClassResult})
        Me.mniResultQuery.Text = "成绩查询"
        '
        'mniOneResult
        '
        Me.mniOneResult.Index = 0
        Me.mniOneResult.Text = "个人成绩"
        '
        'mniClassResult
        '
        Me.mniClassResult.Index = 1
        Me.mniClassResult.Text = "班级成绩"
        '
        'mniWindow
        '
        Me.mniWindow.Index = 3
        Me.mniWindow.MdiList = True
        Me.mniWindow.Text = "窗口"
        '
        'stbMain
        '
        Me.stbMain.Location = New System.Drawing.Point(0, 241)
        Me.stbMain.Name = "stbMain"
        Me.stbMain.Size = New System.Drawing.Size(400, 24)
        Me.stbMain.TabIndex = 1
        '
        'frmMain
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(400, 265)
        Me.Controls.Add(Me.stbMain)
        Me.IsMdiContainer = True
        Me.MaximizeBox = False
        Me.Menu = Me.mmnMain
        Me.Name = "frmMain"
        Me.Text = "学生管理系统"
        Me.WindowState = System.Windows.Forms.FormWindowState.Maximized
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim frm As New frmDbConn

        If frm.ShowDialog() = DialogResult.OK Then
            stbMain.Text = "连接数据库成功"
        Else
            Me.Close()
        End If


    End Sub

    Private Sub mniLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniLogin.Click
        Dim frm As New frmLogin

        If frm.ShowDialog() = DialogResult.OK Then
            stbMain.Text = "登录成功"
            mmnMain.MenuItems(0).MenuItems(2).Enabled = True
            mmnMain.MenuItems(0).MenuItems(3).Enabled = True
            mmnMain.MenuItems(0).MenuItems(4).Enabled = True
            mmnMain.MenuItems(0).MenuItems(5).Enabled = True
            mmnMain.MenuItems(1).Enabled = True
            mmnMain.MenuItems(2).Enabled = True
        End If
    End Sub

    Private Sub mniRegister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniRegister.Click
        Dim frm As New frmRegister

        frm.MdiParent = Me
        frm.Show()
    End Sub

    Private Sub mniSpecialSetup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniSpecialSetup.Click
        Dim frm As New frmSpecial

        frm.MdiParent = Me
        frm.Show()
    End Sub

    Private Sub mniCollogeSetup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniCollogeSetup.Click
        Dim frm As New frmCollege

        frm.MdiParent = Me
        frm.Show()
    End Sub

    Private Sub mniCourseSetup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniCourseSetup.Click
        Dim frm As New frmCourse

        frm.MdiParent = Me
        frm.Show()
    End Sub

    Private Sub mniClassManager_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles mniClassManager.Click
        Dim frm As New frmClass

        frm.MdiParent = Me
        frm.Show()
    End Sub

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

    Private Sub mniStudentQuery_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniStudentQuery.Click
        Dim frm As New frmQuery

        If frm.ShowDialog() = DialogResult.OK Then
            If stdDataSet.Tables.Count > 0 Then
                If stdDataSet.Tables(0).Rows.Count > 1 Then
                    Dim frm2 As New frmStudents
                    frm2.MdiParent = Me
                    frm2.Show()
                ElseIf stdDataSet.Tables(0).Rows.Count = 1 Then
                    Dim frm1 As New frmRegister
                    frm1.type = 1
                    frm1.MdiParent = Me
                    frm1.id = stdDataSet.Tables(0).Rows(0).Item("学号")
                    frm1.Show()
                    stbMain.Text = "查询成功"
                Else
                    stbMain.Text = "没有找到符合条件的学生记录"
                End If
            Else
                stbMain.Text = "没有找到符合条件的学生记录"
            End If
        End If
    End Sub


    Private Sub mniModify_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniModify.Click
        Dim frm As New frmInput

        If frm.ShowDialog = DialogResult.OK Then
            Dim frm1 As New frmRegister
            frm1.type = 1
            frm1.MdiParent = Me
            frm1.id = stdDataSet.Tables(0).Rows(0).Item("学号")
            frm1.Show()
            stbMain.Text = "查询成功"
        End If
    End Sub


    Private Sub mniResult_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniResult.Click
        Dim frm As New frmInputClass

        If frm.ShowDialog = DialogResult.OK Then
            Dim frm1 As New frmResult
            frm1.classname = frm.classname
            frm1.coursename = frm.coursename
            frm1.MdiParent = Me
            frm1.Show()
        End If
    End Sub

    Private Sub mniSelect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniSelect.Click
        Dim frm As New frmInput

        If frm.ShowDialog = DialogResult.OK Then
            Dim frm1 As New frmSelectCourse
            frm1.id = stdDataSet.Tables(0).Rows(0).Item("学号")
            frm1.scname = stdDataSet.Tables(0).Rows(0).Item("姓名")
            If frm1.ShowDialog() = DialogResult.OK Then
                stbMain.Text = "选课登记成功"
            Else
                stbMain.Text = "取消选课登记"
            End If
        End If
    End Sub

    Private Sub mniOneResult_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniOneResult.Click
        Dim frm As New frmInput

        If frm.ShowDialog = DialogResult.OK Then
            Dim frm1 As New frmQueryResult
            frm1.id = frm.id
            frm1.sname = frm.sname
            frm1.MdiParent = Me
            frm1.Show()
        End If
    End Sub

    Private Sub mniClassResult_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mniClassResult.Click
        Dim frm As New frmInputClass

        If frm.ShowDialog = DialogResult.OK Then
            Dim frm1 As New frmResult
            frm1.classname = frm.classname
            frm1.coursename = frm.coursename
            frm1.type = 1
            frm1.MdiParent = Me
            frm1.Show()
        End If
    End Sub
End Class