form2.vb

首先利用Sql Sever数据库作为后台

Public Class Form2
    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 Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents AxMSComm1 As AxMSCommLib.AxMSComm
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents Timer1 As System.Timers.Timer
    Friend WithEvents GroupBox3 As System.Windows.Forms.GroupBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Timer2 As System.Timers.Timer
    Friend WithEvents SqlDataAdapter1 As System.Data.SqlClient.SqlDataAdapter
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    Friend WithEvents DataSet31 As 学生考勤管理系统.DataSet3
    Friend WithEvents SqlCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
    Friend WithEvents SqlSelectCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlInsertCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlConnection1 As System.Data.SqlClient.SqlConnection
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form2))
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.AxMSComm1 = New AxMSCommLib.AxMSComm
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.TextBox5 = New System.Windows.Forms.TextBox
        Me.Button3 = New System.Windows.Forms.Button
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.Timer1 = New System.Timers.Timer
        Me.GroupBox3 = New System.Windows.Forms.GroupBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.Timer2 = New System.Timers.Timer
        Me.SqlDataAdapter1 = New System.Data.SqlClient.SqlDataAdapter
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        Me.DataSet31 = New 学生考勤管理系统.DataSet3
        Me.SqlCommand1 = New System.Data.SqlClient.SqlCommand
        Me.SqlSelectCommand1 = New System.Data.SqlClient.SqlCommand
        Me.SqlInsertCommand1 = New System.Data.SqlClient.SqlCommand
        Me.SqlConnection1 = New System.Data.SqlClient.SqlConnection
        CType(Me.AxMSComm1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.GroupBox2.SuspendLayout()
        CType(Me.Timer1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.GroupBox3.SuspendLayout()
        CType(Me.Timer2, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.DataSet31, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.ForeColor = System.Drawing.Color.Gold
        Me.Button1.Location = New System.Drawing.Point(504, 264)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 32)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "退出"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(80, 8)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(104, 21)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = ""
        '
        'Label1
        '
        Me.Label1.ForeColor = System.Drawing.Color.DarkSalmon
        Me.Label1.Location = New System.Drawing.Point(8, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(72, 16)
        Me.Label1.TabIndex = 5
        Me.Label1.Text = "考勤日期："
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(80, 40)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(104, 21)
        Me.TextBox2.TabIndex = 6
        Me.TextBox2.Text = ""
        '
        'Label2
        '
        Me.Label2.ForeColor = System.Drawing.Color.DarkSalmon
        Me.Label2.Location = New System.Drawing.Point(24, 40)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 16)
        Me.Label2.TabIndex = 7
        Me.Label2.Text = "时间："
        '
        'GroupBox1
        '
        Me.GroupBox1.Location = New System.Drawing.Point(8, 0)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(200, 64)
        Me.GroupBox1.TabIndex = 8
        Me.GroupBox1.TabStop = False
        '
        'AxMSComm1
        '
        Me.AxMSComm1.Enabled = True
        Me.AxMSComm1.Location = New System.Drawing.Point(504, 16)
        Me.AxMSComm1.Name = "AxMSComm1"
        Me.AxMSComm1.OcxState = CType(resources.GetObject("AxMSComm1.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxMSComm1.Size = New System.Drawing.Size(38, 38)
        Me.AxMSComm1.TabIndex = 9
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(72, 264)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(88, 21)
        Me.TextBox3.TabIndex = 12
        Me.TextBox3.Text = ""
        Me.TextBox3.Visible = False
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.TextBox5)
        Me.GroupBox2.ForeColor = System.Drawing.Color.DarkSalmon
        Me.GroupBox2.Location = New System.Drawing.Point(224, 16)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(120, 48)
        Me.GroupBox2.TabIndex = 13
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "卡号"
        '
        'TextBox5
        '
        Me.TextBox5.Location = New System.Drawing.Point(16, 16)
        Me.TextBox5.Name = "TextBox5"
        Me.TextBox5.Size = New System.Drawing.Size(88, 21)
        Me.TextBox5.TabIndex = 21
        Me.TextBox5.Text = ""
        '
        'Button3
        '
        Me.Button3.ForeColor = System.Drawing.Color.DarkSalmon
        Me.Button3.Location = New System.Drawing.Point(24, 0)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(56, 24)
        Me.Button3.TabIndex = 14
        Me.Button3.Text = "机号："
        '
        'TextBox4
        '
        Me.TextBox4.Location = New System.Drawing.Point(384, 40)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.Size = New System.Drawing.Size(56, 21)
        Me.TextBox4.TabIndex = 15
        Me.TextBox4.Text = ""
        '
        'Timer1
        '
        Me.Timer1.Enabled = True
        Me.Timer1.Interval = 1000
        Me.Timer1.SynchronizingObject = Me.TextBox2
        '
        'GroupBox3
        '
        Me.GroupBox3.Controls.Add(Me.Button3)
        Me.GroupBox3.Location = New System.Drawing.Point(360, 8)
        Me.GroupBox3.Name = "GroupBox3"
        Me.GroupBox3.Size = New System.Drawing.Size(112, 64)
        Me.GroupBox3.TabIndex = 16
        Me.GroupBox3.TabStop = False
        '
        'Label3
        '
        Me.Label3.Font = New System.Drawing.Font("宋体", 10.5!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label3.ForeColor = System.Drawing.Color.Red
        Me.Label3.Location = New System.Drawing.Point(560, 8)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(32, 56)
        Me.Label3.TabIndex = 17
        Me.Label3.Text = "请刷卡"
        '
        'Timer2
        '
        Me.Timer2.Enabled = True
        Me.Timer2.Interval = 1500
        Me.Timer2.SynchronizingObject = Me
        '
        'SqlDataAdapter1
        '
        Me.SqlDataAdapter1.InsertCommand = Me.SqlInsertCommand1