Imports System
Imports System.Data
Imports System.Drawing
Imports System.Data.SqlClient

Public Class Form4
    Inherits System.Windows.Forms.Form

#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 Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form4))
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.Label6 = New System.Windows.Forms.Label()
        Me.TextBox3 = New System.Windows.Forms.TextBox()
        Me.Label5 = New System.Windows.Forms.Label()
        Me.Label4 = New System.Windows.Forms.Label()
        Me.ComboBox1 = New System.Windows.Forms.ComboBox()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Popup
        Me.Button1.ForeColor = System.Drawing.Color.Navy
        Me.Button1.Location = New System.Drawing.Point(152, 208)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(56, 24)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "登記"
        '
        'Button2
        '
        Me.Button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup
        Me.Button2.ForeColor = System.Drawing.Color.Navy
        Me.Button2.Location = New System.Drawing.Point(216, 208)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(48, 24)
        Me.Button2.TabIndex = 1
        Me.Button2.Text = "取消"
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label6, Me.TextBox3, Me.Label5, Me.Label4, Me.ComboBox1, Me.Label3, Me.TextBox2, Me.Label2, Me.TextBox1, Me.Label1})
        Me.GroupBox1.Location = New System.Drawing.Point(8, 8)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(256, 192)
        Me.GroupBox1.TabIndex = 2
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "賬單信息"
        '
        'Label6
        '
        Me.Label6.BackColor = System.Drawing.SystemColors.Info
        Me.Label6.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Label6.Location = New System.Drawing.Point(88, 152)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(144, 24)
        Me.Label6.TabIndex = 10
        Me.Label6.Text = "Label6"
        Me.Label6.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(88, 120)
        Me.TextBox3.MaxLength = 6
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(144, 21)
        Me.TextBox3.TabIndex = 9
        Me.TextBox3.Text = ""
        '
        'Label5
        '
        Me.Label5.ForeColor = System.Drawing.Color.Navy
        Me.Label5.Location = New System.Drawing.Point(16, 120)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(72, 21)
        Me.Label5.TabIndex = 8
        Me.Label5.Text = "服務員編碼*"
        Me.Label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'Label4
        '
        Me.Label4.ForeColor = System.Drawing.Color.Navy
        Me.Label4.Location = New System.Drawing.Point(16, 152)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(72, 21)
        Me.Label4.TabIndex = 6
        Me.Label4.Text = "登記時間"
        Me.Label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'ComboBox1
        '
        Me.ComboBox1.Items.AddRange(New Object() {"前臺服務"})
        Me.ComboBox1.Location = New System.Drawing.Point(88, 88)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(144, 20)
        Me.ComboBox1.TabIndex = 5
        Me.ComboBox1.Text = "前臺服務"
        '
        'Label3
        '
        Me.Label3.ForeColor = System.Drawing.Color.Navy
        Me.Label3.Location = New System.Drawing.Point(16, 88)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(72, 21)
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "服務類型"
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(88, 56)
        Me.TextBox2.MaxLength = 6
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(144, 21)
        Me.TextBox2.TabIndex = 3
        Me.TextBox2.Text = ""
        '
        'Label2
        '
        Me.Label2.ForeColor = System.Drawing.Color.Navy
        Me.Label2.Location = New System.Drawing.Point(16, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(72, 21)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "服務桌號*"
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(88, 24)
        Me.TextBox1.MaxLength = 6
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(144, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label1
        '
        Me.Label1.ForeColor = System.Drawing.Color.Navy
        Me.Label1.Location = New System.Drawing.Point(16, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(72, 21)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "賬單編碼*"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'Timer1
        '
        Me.Timer1.Interval = 1000
        '
        'Form4
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(274, 239)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1, Me.Button2, Me.Button1})
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "Form4"
        Me.Text = "賬單登記表"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        Dim sqlstr As String
        Dim myorder As OrderInfo
        Dim ds As New DataSet()
        myorder = GetDataFromForm()
        If myorder.OrderID = "" Then
            MsgBox("賬單號不能為空！", MsgBoxStyle.OKOnly + _
            MsgBoxStyle.Exclamation, "賬單號為空")
            Exit Sub
        End If
        If IsNumeric(myorder.TbNum) = False Then
            MsgBox("桌號必須是數字，請輸入正確的數字！", MsgBoxStyle.OKOnly _
            + MsgBoxStyle.Exclamation, "桌號不是數字")
            Exit Sub
        End If
        sqlstr = "SELECT status FROM TableInfo WHERE tablenum='" & myorder.TbNum & "'"
        ds.Clear()
        ds = GetDataFromDB(sqlstr)
        If ds.Tables(0).Rows.Count = 0 Then
            MsgBox("找不到該桌號，請重新輸入。", MsgBoxStyle.Exclamation + _
            MsgBoxStyle.OKOnly, "桌號錯誤")
            Me.TextBox2.Text = ""
            Exit Sub
        End If
        If Trim(ds.Tables(0).Rows(0)("status")) <> "空閑" Then
            MsgBox("該桌正在使用或者已經被預定。", MsgBoxStyle.Exclamation + _
            MsgBoxStyle.OKOnly, "使用中")
            Exit Sub
        End If
        If myorder.SvcNum = "" Then
            MsgBox("服務員編號不能為空！", MsgBoxStyle.OKOnly + _
            MsgBoxStyle.Exclamation, "服務員編號為空")
            Exit Sub
        End If
        sqlstr = "INSERT INTO EnOrder (orderid,tbnum,svctype,svcnum,svcdate)" & _
        " VALUES ('" & myorder.OrderID & "','" & myorder.TbNum & "'," & _
        "'" & myorder.SvcType & "','" & myorder.SvcNum & "','" & myorder.SvcDate & "')"
        If UpdateData(sqlstr) = True Then
            MsgBox("賬單登記成功。", MsgBoxStyle.OKOnly + _
            MsgBoxStyle.Exclamation, "登記成功")
        Else
            MsgBox("該賬單號已經存在，此次登記失敗。", _
            MsgBoxStyle.OKOnly + MsgBoxStyle.Exclamation, "登記失敗")
            Exit Sub
        End If
        Me.Timer1.Enabled = False
        sqlstr = "UPDATE TableInfo SET status='使用中' WHERE tablenum='" & myorder.TbNum & "'"
        UpdateData(sqlstr)
    End Sub

    Public Function GetDataFromForm() As OrderInfo
        Dim myorder As New OrderInfo()
        myorder.OrderID = Trim(Me.TextBox1.Text)
        myorder.TbNum = CInt(Val(Trim(Me.TextBox2.Text)))
        myorder.SvcType = Trim(Me.ComboBox1.SelectedItem)
        myorder.SvcNum = Trim(Me.TextBox3.Text)
        myorder.SvcDate = CDate(Me.Label6.Text.Trim)
        Return myorder
    End Function

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.Timer1.Enabled = False
        Me.Close()
    End Sub

    Private Sub Form4_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.Timer1.Enabled = True
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Me.Label6.Text = Now.ToShortDateString
    End Sub

End Class

Public Class OrderInfo
    Public OrderID As String
    Public TbNum As Integer
    Public SvcType As String
    Public SvcNum As String
    Public SvcDate As Date
    Public SvcItems As String
End Class