frmmain.vb

抽奖的模拟过程！自己写的

Public Class frmMain
    Inherits System.Windows.Forms.Form
    'Public temp As DataTable
    Public MaxChoosen, it As Integer
    Public IsRepeat() As Integer
    Public tmprow As DataRow

    'Public classlis() As String

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents btn_Start As System.Windows.Forms.Button
    Friend WithEvents Timer1 As System.Windows.Forms.Timer

    Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Timer2 As System.Windows.Forms.Timer
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents txt_MaxChoosen As System.Windows.Forms.TextBox
    Friend WithEvents btn_Font As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents FontDialog1 As System.Windows.Forms.FontDialog
    Friend WithEvents OleDbConnection1 As System.Data.OleDb.OleDbConnection
    Friend WithEvents OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter

    Friend WithEvents btn_Set As System.Windows.Forms.Button
    Friend WithEvents OleDbSelectCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents OleDbInsertCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents OleDbUpdateCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents OleDbDeleteCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents Ds11 As 抽奖.ds1
    Friend WithEvents ColorDialog1 As System.Windows.Forms.ColorDialog
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents txt_Speed As System.Windows.Forms.TextBox

    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container()
        Me.btn_Start = New System.Windows.Forms.Button()
        Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
        Me.ListBox1 = New System.Windows.Forms.ListBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Timer2 = New System.Windows.Forms.Timer(Me.components)
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.btn_Set = New System.Windows.Forms.Button()
        Me.txt_MaxChoosen = New System.Windows.Forms.TextBox()
        Me.btn_Font = New System.Windows.Forms.Button()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.FontDialog1 = New System.Windows.Forms.FontDialog()
        Me.OleDbConnection1 = New System.Data.OleDb.OleDbConnection()
        Me.OleDbDataAdapter1 = New System.Data.OleDb.OleDbDataAdapter()
        Me.OleDbDeleteCommand1 = New System.Data.OleDb.OleDbCommand()
        Me.OleDbInsertCommand1 = New System.Data.OleDb.OleDbCommand()
        Me.OleDbSelectCommand1 = New System.Data.OleDb.OleDbCommand()
        Me.OleDbUpdateCommand1 = New System.Data.OleDb.OleDbCommand()
        Me.Ds11 = New 抽奖.ds1()
        Me.ColorDialog1 = New System.Windows.Forms.ColorDialog()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.txt_Speed = New System.Windows.Forms.TextBox()
        Me.GroupBox1.SuspendLayout()
        CType(Me.Ds11, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'btn_Start
        '
        Me.btn_Start.Font = New System.Drawing.Font("KaiTi_GB2312", 22.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.btn_Start.Location = New System.Drawing.Point(600, 392)
        Me.btn_Start.Name = "btn_Start"
        Me.btn_Start.Size = New System.Drawing.Size(96, 48)
        Me.btn_Start.TabIndex = 1
        Me.btn_Start.Text = "开始"
        '
        'Timer1
        '
        Me.Timer1.Interval = 10
        '
        'ListBox1
        '
        Me.ListBox1.BackColor = System.Drawing.Color.SeaShell
        Me.ListBox1.Dock = System.Windows.Forms.DockStyle.Top
        Me.ListBox1.Font = New System.Drawing.Font("KaiTi_GB2312", 26.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.ListBox1.ForeColor = System.Drawing.Color.SaddleBrown
        Me.ListBox1.ItemHeight = 35
        Me.ListBox1.Name = "ListBox1"
        Me.ListBox1.Size = New System.Drawing.Size(728, 319)
        Me.ListBox1.TabIndex = 4
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(49, 346)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 6
        Me.Button1.Text = "Button1"
        Me.Button1.Visible = False
        '
        'Timer2
        '
        Me.Timer2.Interval = 10
        '
        'GroupBox1
        '
        Me.GroupBox1.Anchor = (System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left)
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.txt_Speed, Me.Label2, Me.Button2, Me.btn_Set, Me.txt_MaxChoosen, Me.btn_Font, Me.Label1})
        Me.GroupBox1.Location = New System.Drawing.Point(10, 391)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(446, 55)
        Me.GroupBox1.TabIndex = 8
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "设置"
        '
        'btn_Set
        '
        Me.btn_Set.Location = New System.Drawing.Point(209, 22)
        Me.btn_Set.Name = "btn_Set"
        Me.btn_Set.Size = New System.Drawing.Size(49, 23)
        Me.btn_Set.TabIndex = 12
        Me.btn_Set.Text = "数据"
        '
        'txt_MaxChoosen
        '
        Me.txt_MaxChoosen.Anchor = (System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left)
        Me.txt_MaxChoosen.Location = New System.Drawing.Point(77, 23)
        Me.txt_MaxChoosen.Name = "txt_MaxChoosen"
        Me.txt_MaxChoosen.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.txt_MaxChoosen.Size = New System.Drawing.Size(64, 21)
        Me.txt_MaxChoosen.TabIndex = 8
        Me.txt_MaxChoosen.Text = "10"
        '
        'btn_Font
        '
        Me.btn_Font.Location = New System.Drawing.Point(154, 22)
        Me.btn_Font.Name = "btn_Font"
        Me.btn_Font.Size = New System.Drawing.Size(48, 24)
        Me.btn_Font.TabIndex = 10
        Me.btn_Font.Text = "字体"
        '
        'Label1
        '
        Me.Label1.AutoSize = True
        Me.Label1.Location = New System.Drawing.Point(11, 27)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(66, 14)
        Me.Label1.TabIndex = 9
        Me.Label1.Text = "中奖人数："
        '
        'OleDbConnection1
        '
        Me.OleDbConnection1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Password="""";User ID=Admin;Data Source=D:\Mine\vb" & _
        "7\抽奖\db1.mdb;Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System databa" & _
        "se="""";Jet OLEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine" & _
        " Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Je" & _
        "t OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:" & _
        "Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Co" & _
        "py Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OL" & _
        "EDB:SFP=False"
        '
        'OleDbDataAdapter1
        '
        Me.OleDbDataAdapter1.DeleteCommand = Me.OleDbDeleteCommand1
        Me.OleDbDataAdapter1.InsertCommand = Me.OleDbInsertCommand1
        Me.OleDbDataAdapter1.SelectCommand = Me.OleDbSelectCommand1
        Me.OleDbDataAdapter1.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "Audience", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("ID1", "ID1"), New System.Data.Common.DataColumnMapping("Number", "Number"), New System.Data.Common.DataColumnMapping("RowId", "RowId"), New System.Data.Common.DataColumnMapping("Type", "Type")})})
        Me.OleDbDataAdapter1.UpdateCommand = Me.OleDbUpdateCommand1
        '
        'OleDbDeleteCommand1
        '
        Me.OleDbDeleteCommand1.CommandText = "DELETE FROM Audience WHERE (ID1 = ?) AND ([Number] = ? OR ? IS NULL AND [Number] " & _
        "IS NULL) AND (RowId = ? OR ? IS NULL AND RowId IS NULL) AND (Type = ? OR ? IS NU" & _
        "LL AND Type IS NULL)"
        Me.OleDbDeleteCommand1.Connection = Me.OleDbConnection1
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_ID1", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "ID1", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Number", System.Data.OleDb.OleDbType.VarWChar, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Number", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Number1", System.Data.OleDb.OleDbType.VarWChar, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Number", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_RowId", System.Data.OleDb.OleDbType.VarWChar, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "RowId", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_RowId1", System.Data.OleDb.OleDbType.VarWChar, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "RowId", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Type", System.Data.OleDb.OleDbType.VarWChar, 4, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Type", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Type1", System.Data.OleDb.OleDbType.VarWChar, 4, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Type", System.Data.DataRowVersion.Original, Nothing))
        '
        'OleDbInsertCommand1
        '
        Me.OleDbInsertCommand1.CommandText = "INSERT INTO Audience([Number], RowId, Type) VALUES (?, ?, ?)"
        Me.OleDbInsertCommand1.Connection = Me.OleDbConnection1