frmmodifypassword.vb

酒店管理系统,可以用户与酒店的管理,客房登记、结帐、预定

Imports System.Data.SqlClient
Public Class frmModifyPassword
    Inherits System.Windows.Forms.Form
    Dim bnclose As Boolean
    Dim struserid As String
    Dim stroriginpwd As String


#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 Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents txtpassword As System.Windows.Forms.TextBox
    Friend WithEvents txtnewpassword As System.Windows.Forms.TextBox
    Friend WithEvents txtconfirmpassword As System.Windows.Forms.TextBox
    Friend WithEvents btnok As System.Windows.Forms.Button
    Friend WithEvents btncancel As System.Windows.Forms.Button
    Friend WithEvents SqlConnection1 As System.Data.SqlClient.SqlConnection
    Friend WithEvents SqlCommand1 As System.Data.SqlClient.SqlCommand
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.txtpassword = New System.Windows.Forms.TextBox
        Me.txtnewpassword = New System.Windows.Forms.TextBox
        Me.txtconfirmpassword = New System.Windows.Forms.TextBox
        Me.btnok = New System.Windows.Forms.Button
        Me.btncancel = New System.Windows.Forms.Button
        Me.SqlConnection1 = New System.Data.SqlClient.SqlConnection
        Me.SqlCommand1 = New System.Data.SqlClient.SqlCommand
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "输入原密码"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "输入新密码"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(16, 96)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "确认新密码"
        '
        'txtpassword
        '
        Me.txtpassword.Location = New System.Drawing.Point(128, 16)
        Me.txtpassword.Name = "txtpassword"
        Me.txtpassword.TabIndex = 0
        Me.txtpassword.Text = ""
        '
        'txtnewpassword
        '
        Me.txtnewpassword.Location = New System.Drawing.Point(128, 56)
        Me.txtnewpassword.Name = "txtnewpassword"
        Me.txtnewpassword.TabIndex = 1
        Me.txtnewpassword.Text = ""
        '
        'txtconfirmpassword
        '
        Me.txtconfirmpassword.Location = New System.Drawing.Point(128, 104)
        Me.txtconfirmpassword.Name = "txtconfirmpassword"
        Me.txtconfirmpassword.TabIndex = 2
        Me.txtconfirmpassword.Text = ""
        '
        'btnok
        '
        Me.btnok.Location = New System.Drawing.Point(16, 160)
        Me.btnok.Name = "btnok"
        Me.btnok.TabIndex = 3
        Me.btnok.Text = "确定"
        '
        'btncancel
        '
        Me.btncancel.Location = New System.Drawing.Point(120, 160)
        Me.btncancel.Name = "btncancel"
        Me.btncancel.TabIndex = 4
        Me.btncancel.Text = "取消"
        '
        'SqlConnection1
        '
        Me.SqlConnection1.ConnectionString = "workstation id=4D3A93FBF8BE4E6;packet size=4096;user id=sa;data source=4D3A93FBF8" & _
        "BE4E6;persist security info=False;initial catalog=sqlqtgl"
        '
        'SqlCommand1
        '
        Me.SqlCommand1.Connection = Me.SqlConnection1
        '
        'frmModifyPassword
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(280, 214)
        Me.Controls.Add(Me.btncancel)
        Me.Controls.Add(Me.btnok)
        Me.Controls.Add(Me.txtconfirmpassword)
        Me.Controls.Add(Me.txtnewpassword)
        Me.Controls.Add(Me.txtpassword)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Name = "frmModifyPassword"
        Me.Text = "frmModifyPassword"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Public Property myuser() As String
        Get
            myuser = struserid
        End Get
        Set(ByVal Value As String)
            struserid = Value
        End Set
    End Property

    Private Sub frmModifyPassword_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        bnclose = True
    End Sub

    Private Sub frmModifyPassword_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Closing
        e.Cancel = Not bnclose

    End Sub

    Private Sub btnok_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnok.Click
        If Trim(txtnewpassword.Text) = "" Then
            MessageBox.Show("密码不可空白!", "密码格式错误", MessageBoxButtons.OK, MessageBoxIcon.Error)
            bnclose = False
            Exit Sub
        End If
        If txtnewpassword.Text <> txtconfirmpassword.Text Then
            MessageBox.Show("新密码与确认密码不一致，请重新输入!", "密码格式错误", MessageBoxButtons.OK, MessageBoxIcon.Error)
            Exit Sub
        End If
        SqlCommand1.CommandText = "select 密码 from 用户 where 用户名='" & myuser & "'"
        SqlConnection1.Open()
        Try
            stroriginpwd = CType(SqlCommand1.ExecuteScalar, String)
            If Trim(stroriginpwd) = txtpassword.Text Then
                SqlCommand1.CommandText = "update 用户 set 密码=where 用户名='" & myuser & "'"
                SqlCommand1.ExecuteNonQuery()
                bnclose = True
                MessageBox.Show("密码修改完成!", "密码修改", MessageBoxButtons.OK, MessageBoxIcon.Information)
            Else
                MessageBox.Show("输入的原密码错误!", "密码格式错误", MessageBoxButtons.OK, MessageBoxIcon.Error)
                bnclose = False

            End If
        Finally
            SqlConnection1.Close()


        End Try
    End Sub

    Private Sub btncancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btncancel.Click
        MessageBox.Show("密码未修改!", "密码未修改", MessageBoxButtons.OK, MessageBoxIcon.Warning)
        bnclose = True
    End Sub
End Class