yjzj.vb

酒店管理系统。可对酒店的各项任务分配管理

Imports System.Data.SqlClient
Public Class yjzj
    Inherits System.Windows.Forms.Form
    Dim constr As String = "server=.;database=RoomManager;integrated security=true"
    Dim con As New SqlConnection(constr)
    Dim com As SqlCommand
    Dim dr As SqlDataReader

#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 Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    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 TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Button3 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.Button3 = New System.Windows.Forms.Button
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("宋体", 12.0!)
        Me.Label1.Location = New System.Drawing.Point(16, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(72, 23)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "检索类别"
        '
        'TextBox1
        '
        Me.TextBox1.Font = New System.Drawing.Font("宋体", 10.0!)
        Me.TextBox1.Location = New System.Drawing.Point(184, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(80, 23)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(280, 16)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(32, 23)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "GO"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(304, 120)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "追　加"
        '
        'Panel1
        '
        Me.Panel1.BackColor = System.Drawing.SystemColors.AppWorkspace
        Me.Panel1.Controls.Add(Me.ComboBox1)
        Me.Panel1.Controls.Add(Me.Label1)
        Me.Panel1.Controls.Add(Me.TextBox1)
        Me.Panel1.Controls.Add(Me.Button1)
        Me.Panel1.Location = New System.Drawing.Point(48, 32)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(336, 56)
        Me.Panel1.TabIndex = 1
        '
        'ComboBox1
        '
        Me.ComboBox1.Font = New System.Drawing.Font("宋体", 10.0!)
        Me.ComboBox1.Items.AddRange(New Object() {"ID", "姓名", "房间ID"})
        Me.ComboBox1.Location = New System.Drawing.Point(96, 16)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(72, 21)
        Me.ComboBox1.TabIndex = 0
        Me.ComboBox1.Text = "房间ID"
        '
        'Label2
        '
        Me.Label2.Font = New System.Drawing.Font("宋体", 12.0!)
        Me.Label2.Location = New System.Drawing.Point(48, 112)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(72, 23)
        Me.Label2.TabIndex = 13
        Me.Label2.Text = "追加押金"
        '
        'Label3
        '
        Me.Label3.Font = New System.Drawing.Font("宋体", 12.0!)
        Me.Label3.Location = New System.Drawing.Point(48, 152)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(72, 23)
        Me.Label3.TabIndex = 14
        Me.Label3.Text = "当前余额"
        '
        'TextBox2
        '
        Me.TextBox2.Font = New System.Drawing.Font("宋体", 10.0!)
        Me.TextBox2.Location = New System.Drawing.Point(128, 112)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(56, 23)
        Me.TextBox2.TabIndex = 2
        Me.TextBox2.Text = "100"
        Me.TextBox2.TextAlign = System.Windows.Forms.HorizontalAlignment.Right
        '
        'TextBox3
        '
        Me.TextBox3.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Bold)
        Me.TextBox3.Location = New System.Drawing.Point(128, 152)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.ReadOnly = True
        Me.TextBox3.Size = New System.Drawing.Size(112, 26)
        Me.TextBox3.TabIndex = 5
        Me.TextBox3.Text = "0.0"
        Me.TextBox3.TextAlign = System.Windows.Forms.HorizontalAlignment.Right
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(304, 160)
        Me.Button3.Name = "Button3"
        Me.Button3.TabIndex = 4
        Me.Button3.Text = "退　出"
        '
        'yjzj
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(440, 206)
        Me.ControlBox = False
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.Button2)
        Me.MaximizeBox = False
        Me.MinimizeBox = False
        Me.Name = "yjzj"
        Me.Text = "押金追加"
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Try
            con.Close()
            con.Open()
            Dim yj As Integer
            yj = CInt(TextBox3.Text)
            yj = CInt(Trim(TextBox2.Text)) + yj

            Dim sql As String = "update 客户信息 set 押金=" + CStr(yj) + " where " + Trim(ComboBox1.Text) + "='" + Trim(TextBox1.Text) + "'"
            com = New SqlCommand(sql, con)
            com.ExecuteNonQuery()

            If com.ExecuteNonQuery Then
                MsgBox("押金追加成功！")
                TextBox3.Text = CStr(yj)
            Else
                MsgBox("押金追加未成功！")
            End If
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            con.Close()
        End Try
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Close()
    End Sub


    Private Sub TextBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.Click, TextBox2.Click
        Select Case sender.TABindex
            Case 1
                TextBox1.SelectAll()
            Case 2
                TextBox2.SelectAll()
        End Select
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            con.Close()
            con.Open()
            Dim sql As String = "select 押金 from 客户信息 where " + Trim(ComboBox1.Text) + "='" + Trim(TextBox1.Text) + "'"
            com = New SqlCommand(sql, con)
            dr = com.ExecuteReader
            If dr.Read Then
                TextBox3.Text = dr(0)
            Else
                MsgBox("未找到相关信息！")
                Exit Sub
            End If
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        Finally
            con.Close()
        End Try
    End Sub

    Private Sub yjzj_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class