'引用名稱空間
Imports System.Data
Imports System.Data.OleDb
Public Class Form4
    Inherits System.Windows.Forms.Form
    'n是添加或者修改的狀態參數
    Dim n As Integer = 0
    'ncommand是SQL命令
    Dim ncommand As New OleDbCommand()
    'nsql是SQL語句，bak1,bak2,bak3是用來備份的字符串
    Dim nsql, bak1, bak2, bak3 As String

#Region " Windows 窗體設計器生成的代碼 "

    Public Sub New()
        MyBase.New()

        '該調用是 Windows 窗體設計器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 調用之后添加任何初始化

    End Sub

    '窗體重寫處置以清理組件列表。
    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 窗體設計器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下過程是 Windows 窗體設計器所必需的
    '可以使用 Windows 窗體設計器修改此過程。
    '不要使用代碼編輯器修改它。
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    Friend WithEvents OleDbSelectCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents OleDbInsertCommand1 As System.Data.OleDb.OleDbCommand
    Friend WithEvents Incometable1 As WindowsApplication13.incometable
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button6 As System.Windows.Forms.Button
    Friend WithEvents incometable As System.Data.OleDb.OleDbDataAdapter
    Friend WithEvents MonthCalendar1 As System.Windows.Forms.MonthCalendar
    Friend WithEvents OleDbConnection1 As System.Data.OleDb.OleDbConnection
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter
    Friend WithEvents OleDbSelectCommand2 As System.Data.OleDb.OleDbCommand
    Friend WithEvents OleDbInsertCommand2 As System.Data.OleDb.OleDbCommand
    Friend WithEvents Income1 As WindowsApplication13.income
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        Me.Incometable1 = New WindowsApplication13.incometable
        Me.incometable = New System.Data.OleDb.OleDbDataAdapter
        Me.OleDbInsertCommand1 = New System.Data.OleDb.OleDbCommand
        Me.OleDbConnection1 = New System.Data.OleDb.OleDbConnection
        Me.OleDbSelectCommand1 = New System.Data.OleDb.OleDbCommand
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Button5 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button6 = New System.Windows.Forms.Button
        Me.MonthCalendar1 = New System.Windows.Forms.MonthCalendar
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.Income1 = New WindowsApplication13.income
        Me.OleDbDataAdapter1 = New System.Data.OleDb.OleDbDataAdapter
        Me.OleDbInsertCommand2 = New System.Data.OleDb.OleDbCommand
        Me.OleDbSelectCommand2 = New System.Data.OleDb.OleDbCommand
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.Incometable1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.Income1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'DataGrid1
        '
        Me.DataGrid1.CaptionText = "收入記錄"
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.DataSource = Me.Incometable1.IncomeTable
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(298, 17)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.ReadOnly = True
        Me.DataGrid1.Size = New System.Drawing.Size(316, 319)
        Me.DataGrid1.TabIndex = 0
        '
        'Incometable1
        '
        Me.Incometable1.DataSetName = "incometable"
        Me.Incometable1.Locale = New System.Globalization.CultureInfo("zh-CN")
        '
        'incometable
        '
        Me.incometable.InsertCommand = Me.OleDbInsertCommand1
        Me.incometable.SelectCommand = Me.OleDbSelectCommand1
        Me.incometable.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "IncomeTable", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("日期", "日期"), New System.Data.Common.DataColumnMapping("項目名稱", "項目名稱"), New System.Data.Common.DataColumnMapping("金額", "金額")})})
        '
        'OleDbInsertCommand1
        '
        Me.OleDbInsertCommand1.CommandText = "INSERT INTO IncomeTable(金額, 日期, 項目名稱) VALUES (?, ?, ?)"
        Me.OleDbInsertCommand1.Connection = Me.OleDbConnection1
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("金額", System.Data.OleDb.OleDbType.VarChar, 20, "金額"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("日期", System.Data.OleDb.OleDbType.VarChar, 20, "日期"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("項目名稱", System.Data.OleDb.OleDbType.VarChar, 15, "項目名稱"))
        '
        'OleDbConnection1
        '
        Me.OleDbConnection1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Password="""";User ID=Admin;Data Source=finance.md" & _
        "b;Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System database="""";Jet O" & _
        "LEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine Type=5;Jet" & _
        " OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Glo" & _
        "bal Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:Create Syst" & _
        "em Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale o" & _
        "n Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=Fal" & _
        "se"
        '
        'OleDbSelectCommand1
        '
        Me.OleDbSelectCommand1.CommandText = "SELECT 金額, 日期, 項目名稱 FROM IncomeTable"
        Me.OleDbSelectCommand1.Connection = Me.OleDbConnection1
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(125, 69)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(86, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(58, 69)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(38, 17)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "金額"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(58, 112)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(38, 17)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "日期"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(29, 146)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(77, 18)
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "項目名稱"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(125, 112)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.ReadOnly = True
        Me.TextBox2.Size = New System.Drawing.Size(86, 21)
        Me.TextBox2.TabIndex = 5
        Me.TextBox2.Text = ""
        '
        'Button5
        '
        Me.Button5.Location = New System.Drawing.Point(115, 319)
        Me.Button5.Name = "Button5"
        Me.Button5.Size = New System.Drawing.Size(87, 26)
        Me.Button5.TabIndex = 14
        Me.Button5.Text = "關閉"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(182, 267)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(68, 35)
        Me.Button4.TabIndex = 13
        Me.Button4.Text = "取消"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(67, 267)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(67, 35)
        Me.Button3.TabIndex = 12
        Me.Button3.Text = "修改"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(182, 207)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(68, 34)
        Me.Button2.TabIndex = 11
        Me.Button2.Text = "刪除"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(67, 207)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(67, 34)
        Me.Button1.TabIndex = 10
        Me.Button1.Text = "增加"
        '
        'Button6
        '
        Me.Button6.Location = New System.Drawing.Point(221, 112)
        Me.Button6.Name = "Button6"
        Me.Button6.Size = New System.Drawing.Size(48, 26)
        Me.Button6.TabIndex = 15
        Me.Button6.Text = "選擇"
        '
        'MonthCalendar1
        '
        Me.MonthCalendar1.Location = New System.Drawing.Point(278, 198)
        Me.MonthCalendar1.Name = "MonthCalendar1"
        Me.MonthCalendar1.TabIndex = 16
        Me.MonthCalendar1.Visible = False
        '
        'ComboBox1
        '
        Me.ComboBox1.DataSource = Me.Income1.Income
        Me.ComboBox1.DisplayMember = "項目名稱"
        Me.ComboBox1.Location = New System.Drawing.Point(125, 146)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(144, 20)
        Me.ComboBox1.TabIndex = 17
        '
        'Income1