jslf.vb

不知道怎么用

Imports System.Data
Imports System.Data.SqlClient
Public Class jslf
    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 panel1 As System.Windows.Forms.Panel
    Friend WithEvents dateTimePicker1 As System.Windows.Forms.DateTimePicker
    Friend WithEvents textBox8 As System.Windows.Forms.TextBox
    Friend WithEvents button3 As System.Windows.Forms.Button
    Friend WithEvents button2 As System.Windows.Forms.Button
    Friend WithEvents comboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents textBox5 As System.Windows.Forms.TextBox
    Friend WithEvents textBox4 As System.Windows.Forms.TextBox
    Friend WithEvents textBox3 As System.Windows.Forms.TextBox
    Friend WithEvents textBox2 As System.Windows.Forms.TextBox
    Friend WithEvents textBox1 As System.Windows.Forms.TextBox
    Friend WithEvents label10 As System.Windows.Forms.Label
    Friend WithEvents label8 As System.Windows.Forms.Label
    Friend WithEvents label5 As System.Windows.Forms.Label
    Friend WithEvents label4 As System.Windows.Forms.Label
    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 splitter1 As System.Windows.Forms.Splitter
    Friend WithEvents imageList1 As System.Windows.Forms.ImageList
    Friend WithEvents treeView1 As System.Windows.Forms.TreeView
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(jslf))
        Me.panel1 = New System.Windows.Forms.Panel
        Me.dateTimePicker1 = New System.Windows.Forms.DateTimePicker
        Me.textBox8 = New System.Windows.Forms.TextBox
        Me.button3 = New System.Windows.Forms.Button
        Me.button2 = New System.Windows.Forms.Button
        Me.comboBox1 = New System.Windows.Forms.ComboBox
        Me.textBox5 = New System.Windows.Forms.TextBox
        Me.textBox4 = New System.Windows.Forms.TextBox
        Me.textBox3 = New System.Windows.Forms.TextBox
        Me.textBox2 = New System.Windows.Forms.TextBox
        Me.textBox1 = New System.Windows.Forms.TextBox
        Me.label10 = New System.Windows.Forms.Label
        Me.label8 = New System.Windows.Forms.Label
        Me.label5 = New System.Windows.Forms.Label
        Me.label4 = New System.Windows.Forms.Label
        Me.label3 = New System.Windows.Forms.Label
        Me.label2 = New System.Windows.Forms.Label
        Me.label1 = New System.Windows.Forms.Label
        Me.splitter1 = New System.Windows.Forms.Splitter
        Me.imageList1 = New System.Windows.Forms.ImageList(Me.components)
        Me.treeView1 = New System.Windows.Forms.TreeView
        Me.panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'panel1
        '
        Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.panel1.Controls.Add(Me.dateTimePicker1)
        Me.panel1.Controls.Add(Me.textBox8)
        Me.panel1.Controls.Add(Me.button3)
        Me.panel1.Controls.Add(Me.button2)
        Me.panel1.Controls.Add(Me.comboBox1)
        Me.panel1.Controls.Add(Me.textBox5)
        Me.panel1.Controls.Add(Me.textBox4)
        Me.panel1.Controls.Add(Me.textBox3)
        Me.panel1.Controls.Add(Me.textBox2)
        Me.panel1.Controls.Add(Me.textBox1)
        Me.panel1.Controls.Add(Me.label10)
        Me.panel1.Controls.Add(Me.label8)
        Me.panel1.Controls.Add(Me.label5)
        Me.panel1.Controls.Add(Me.label4)
        Me.panel1.Controls.Add(Me.label3)
        Me.panel1.Controls.Add(Me.label2)
        Me.panel1.Controls.Add(Me.label1)
        Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.panel1.Location = New System.Drawing.Point(0, 0)
        Me.panel1.Name = "panel1"
        Me.panel1.Size = New System.Drawing.Size(568, 358)
        Me.panel1.TabIndex = 5
        '
        'dateTimePicker1
        '
        Me.dateTimePicker1.Enabled = False
        Me.dateTimePicker1.Format = System.Windows.Forms.DateTimePickerFormat.Short
        Me.dateTimePicker1.Location = New System.Drawing.Point(440, 96)
        Me.dateTimePicker1.Name = "dateTimePicker1"
        Me.dateTimePicker1.Size = New System.Drawing.Size(100, 21)
        Me.dateTimePicker1.TabIndex = 46
        '
        'textBox8
        '
        Me.textBox8.Enabled = False
        Me.textBox8.Location = New System.Drawing.Point(488, 280)
        Me.textBox8.Name = "textBox8"
        Me.textBox8.Size = New System.Drawing.Size(40, 21)
        Me.textBox8.TabIndex = 45
        Me.textBox8.Text = ""
        Me.textBox8.Visible = False
        '
        'button3
        '
        Me.button3.Location = New System.Drawing.Point(384, 280)
        Me.button3.Name = "button3"
        Me.button3.TabIndex = 41
        Me.button3.Text = "退 出"
        '
        'button2
        '
        Me.button2.Location = New System.Drawing.Point(232, 280)
        Me.button2.Name = "button2"
        Me.button2.TabIndex = 40
        Me.button2.Text = "提 交"
        '
        'comboBox1
        '
        Me.comboBox1.Enabled = False
        Me.comboBox1.Items.AddRange(New Object() {"身份证", "学生证", "军人证", "户口本", "职业证", "其他"})
        Me.comboBox1.Location = New System.Drawing.Point(440, 56)
        Me.comboBox1.Name = "comboBox1"
        Me.comboBox1.Size = New System.Drawing.Size(100, 20)
        Me.comboBox1.TabIndex = 36
        Me.comboBox1.Text = "请选择"
        '
        'textBox5
        '
        Me.textBox5.Location = New System.Drawing.Point(192, 168)
        Me.textBox5.Multiline = True
        Me.textBox5.Name = "textBox5"
        Me.textBox5.Size = New System.Drawing.Size(344, 88)
        Me.textBox5.TabIndex = 35
        Me.textBox5.Text = ""
        '
        'textBox4
        '
        Me.textBox4.Enabled = False
        Me.textBox4.Location = New System.Drawing.Point(232, 96)
        Me.textBox4.Name = "textBox4"
        Me.textBox4.TabIndex = 34
        Me.textBox4.Text = ""
        '
        'textBox3
        '
        Me.textBox3.Enabled = False
        Me.textBox3.Location = New System.Drawing.Point(440, 16)
        Me.textBox3.Name = "textBox3"
        Me.textBox3.TabIndex = 33
        Me.textBox3.Text = ""
        '
        'textBox2
        '
        Me.textBox2.Enabled = False
        Me.textBox2.Location = New System.Drawing.Point(232, 56)
        Me.textBox2.Name = "textBox2"
        Me.textBox2.TabIndex = 32
        Me.textBox2.Text = ""
        '
        'textBox1
        '
        Me.textBox1.Enabled = False
        Me.textBox1.Location = New System.Drawing.Point(232, 16)
        Me.textBox1.Name = "textBox1"
        Me.textBox1.TabIndex = 31
        Me.textBox1.Text = ""
        '
        'label10
        '
        Me.label10.Location = New System.Drawing.Point(128, 96)
        Me.label10.Name = "label10"
        Me.label10.Size = New System.Drawing.Size(96, 23)
        Me.label10.TabIndex = 30
        Me.label10.Text = "备注："
        Me.label10.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label8
        '
        Me.label8.Location = New System.Drawing.Point(328, 96)
        Me.label8.Name = "label8"
        Me.label8.TabIndex = 29
        Me.label8.Text = "来访日期："
        Me.label8.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label5
        '
        Me.label5.Location = New System.Drawing.Point(336, 56)
        Me.label5.Name = "label5"
        Me.label5.Size = New System.Drawing.Size(96, 16)
        Me.label5.TabIndex = 27
        Me.label5.Text = "证件名称："
        Me.label5.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label4
        '
        Me.label4.Location = New System.Drawing.Point(-8, 96)
        Me.label4.Name = "label4"
        Me.label4.TabIndex = 26
        Me.label4.Text = "被访人寝室号："
        Me.label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label3
        '
        Me.label3.Location = New System.Drawing.Point(336, 24)
        Me.label3.Name = "label3"
        Me.label3.Size = New System.Drawing.Size(96, 16)
        Me.label3.TabIndex = 25
        Me.label3.Text = "关系："
        Me.label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label2
        '
        Me.label2.Location = New System.Drawing.Point(-8, 56)
        Me.label2.Name = "label2"
        Me.label2.Size = New System.Drawing.Size(232, 23)
        Me.label2.TabIndex = 24
        Me.label2.Text = "来访人："
        Me.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'label1
        '
        Me.label1.Location = New System.Drawing.Point(-8, 16)
        Me.label1.Name = "label1"
        Me.label1.Size = New System.Drawing.Size(232, 23)
        Me.label1.TabIndex = 23
        Me.label1.Text = "被访人："
        Me.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'splitter1
        '
        Me.splitter1.Location = New System.Drawing.Point(152, 0)
        Me.splitter1.Name = "splitter1"
        Me.splitter1.Size = New System.Drawing.Size(3, 358)
        Me.splitter1.TabIndex = 4
        Me.splitter1.TabStop = False
        '
        'imageList1
        '
        Me.imageList1.ImageSize = New System.Drawing.Size(16, 16)
        Me.imageList1.ImageStream = CType(resources.GetObject("imageList1.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.imageList1.TransparentColor = System.Drawing.Color.Transparent
        '
        'treeView1
        '
        Me.treeView1.BackColor = System.Drawing.SystemColors.Control
        Me.treeView1.Dock = System.Windows.Forms.DockStyle.Left
        Me.treeView1.ImageList = Me.imageList1
        Me.treeView1.Location = New System.Drawing.Point(0, 0)
        Me.treeView1.Name = "treeView1"
        Me.treeView1.SelectedImageIndex = 1
        Me.treeView1.Size = New System.Drawing.Size(152, 358)
        Me.treeView1.TabIndex = 3
        '
        'jslf
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(568, 358)
        Me.Controls.Add(Me.splitter1)
        Me.Controls.Add(Me.treeView1)
        Me.Controls.Add(Me.panel1)
        Me.MaximizeBox = False
        Me.Name = "jslf"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "结束来访"
        Me.panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Shared m_Form As New jslf
    Public Shared ReadOnly Property NewForm() As jslf
        Get
            If m_Form Is Nothing OrElse m_Form.IsDisposed Then
                m_Form = New jslf
            End If
            Return m_Form
        End Get
    End Property

    Private Sub button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button3.Click
        Me.Close()
    End Sub
    Dim i As Integer

    Private Sub jslf_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        i = 0
        Me.textBox8.Text = DateTime.Now.ToString()
        Dim rootnode As TreeNode = New TreeNode("未离开访客名单", 0, 0)
        Me.treeView1.Nodes.Add(rootnode)
        Try
            Dim conn As New SqlConnection(Me.Tag)
            conn.Open()
            Dim cmd As New SqlCommand("select * from 来访表", conn)
            Dim reader As SqlDataReader
            reader = cmd.ExecuteReader
            Do While reader.Read()
                If reader.GetBoolean(10) = False Then
                    Dim newnode As TreeNode = New TreeNode(reader.GetString(1), 1, 1)
                    rootnode.Nodes.Add(newnode)
                    i = i + 1
                End If
            Loop
            conn.Close()
            If i = 0 Then
                Me.treeView1.TopNode.Text = "无访客在学生寝室"
                Me.button2.Enabled = False
            End If
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Sub
    Dim id As Integer
    Private Sub treeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles treeView1.AfterSelect
        Dim selectnode As TreeNode = Me.treeView1.SelectedNode
        Try
            If selectnode.SelectedImageIndex = 1 Then
                Dim conn As New SqlConnection(Me.Tag)
                conn.Open()
                Dim cmd As New SqlCommand("select * from 来访表 where 来访人姓名='" + selectnode.Text + "'", conn)
                Dim reader As SqlDataReader
                reader = cmd.ExecuteReader
                Do While reader.Read()
                    Me.textBox1.Text = reader.GetString(2)
                    Me.textBox2.Text = reader.GetString(1)
                    Me.textBox3.Text = reader.GetString(4)
                    Me.textBox4.Text = reader.GetString(3)
                    Me.textBox5.Text = reader.GetString(9)
                    Me.comboBox1.Text = reader.GetString(5)
                    id = reader.GetInt32(0)
                Loop
                conn.Close()
            End If
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Sub

    Private Sub button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button2.Click
        Try
            Dim conn As New SqlConnection(Me.Tag)
            conn.Open()
            Dim cmd As New SqlCommand("UPDATE 来访表 set 结束时间='" + Me.textBox8.Text + "',flag=1 where id=" + id, conn)
            Dim reader As SqlDataReader
            reader = cmd.ExecuteReader
            conn.Close()
            Me.treeView1.SelectedNode.Remove()
            i = i - 1
            MsgBox("操作成功！")
            If i = 0 Then
                Me.button2.Enabled = False
            End If
        Catch ex As Exception

        End Try
    End Sub
End Class