password.vb

.ent 编写的单机版餐饮服务系统 应用广泛

Public Class Form11
    Inherits System.Windows.Forms.Form
    Dim Sqlstr As String
    Dim OldPassword As String
    Dim NewPassword 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

    '窗体重写处置以清理组件列表。
    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 Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form11))
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.Label4 = New System.Windows.Forms.Label()
        Me.Label5 = New System.Windows.Forms.Label()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.TextBox3 = New System.Windows.Forms.TextBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.BackColor = System.Drawing.Color.AntiqueWhite
        Me.Label1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Label1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(232, 205)
        Me.Label1.TabIndex = 0
        '
        'Label2
        '
        Me.Label2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.Label2.Location = New System.Drawing.Point(8, 8)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(216, 192)
        Me.Label2.TabIndex = 1
        '
        'Label3
        '
        Me.Label3.ForeColor = System.Drawing.Color.Navy
        Me.Label3.Location = New System.Drawing.Point(24, 32)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(56, 24)
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "原密码"
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label4
        '
        Me.Label4.ForeColor = System.Drawing.Color.Navy
        Me.Label4.Location = New System.Drawing.Point(24, 72)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(56, 24)
        Me.Label4.TabIndex = 3
        Me.Label4.Text = "新密码"
        Me.Label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label5
        '
        Me.Label5.ForeColor = System.Drawing.Color.Navy
        Me.Label5.Location = New System.Drawing.Point(16, 112)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(72, 24)
        Me.Label5.TabIndex = 4
        Me.Label5.Text = "确认新密码"
        Me.Label5.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(96, 32)
        Me.TextBox1.MaxLength = 10
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox1.Size = New System.Drawing.Size(120, 21)
        Me.TextBox1.TabIndex = 5
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(96, 72)
        Me.TextBox2.MaxLength = 10
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.Size = New System.Drawing.Size(120, 21)
        Me.TextBox2.TabIndex = 6
        Me.TextBox2.Text = ""
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(96, 112)
        Me.TextBox3.MaxLength = 10
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox3.Size = New System.Drawing.Size(120, 21)
        Me.TextBox3.TabIndex = 7
        Me.TextBox3.Text = ""
        '
        'Button1
        '
        Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Popup
        Me.Button1.ForeColor = System.Drawing.Color.Blue
        Me.Button1.Location = New System.Drawing.Point(72, 152)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(48, 24)
        Me.Button1.TabIndex = 8
        Me.Button1.Text = "修改"
        '
        'Button2
        '
        Me.Button2.DialogResult = System.Windows.Forms.DialogResult.Cancel
        Me.Button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup
        Me.Button2.ForeColor = System.Drawing.Color.Blue
        Me.Button2.Location = New System.Drawing.Point(128, 152)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(48, 24)
        Me.Button2.TabIndex = 9
        Me.Button2.Text = "取消"
        '
        'Form11
        '
        Me.AcceptButton = Me.Button1
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.CancelButton = Me.Button2
        Me.ClientSize = New System.Drawing.Size(232, 205)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.Button1, Me.TextBox3, Me.TextBox2, Me.TextBox1, Me.Label5, Me.Label4, Me.Label3, Me.Label2, Me.Label1})
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "Form11"
        Me.Text = "修改密码"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, _
                              ByVal e As System.EventArgs) _
                              Handles Button1.Click
        If Me.TextBox2.Text.CompareTo(Me.TextBox3.Text) <> 0 Then
            MsgBox("确认的新密码不符，请重新输入新密码。", _
            MsgBoxStyle.Exclamation + MsgBoxStyle.OKOnly, "密码确认失败")
            Me.TextBox2.Text = ""
            Me.TextBox3.Text = ""
            Exit Sub
        Else
            NewPassword = Me.TextBox2.Text.Trim
        End If
        OldPassword = Me.TextBox1.Text.Trim
        Sqlstr = "SELECT * FROM UserInfo WHERE user_id= " & _
        "'" & UserName & "' AND user_pwd='" & OldPassword & "'"
        Dim objDataRow As DataRow
        Try
            objDataRow = GetDataFromDB(Sqlstr).Tables(0).Rows(0)
        Catch
            MsgBox("旧密码和账号不符，请重新输入旧密码。", _
            MsgBoxStyle.Information + MsgBoxStyle.OKOnly, "更改密码失败")
            Me.TextBox1.Text = ""
            Exit Sub
        End Try
        Sqlstr = "UPDATE UserInfo SET user_pwd =" & _
        "'" & NewPassword & "' WHERE user_id='" & UserName & "'"
        UpdateData(Sqlstr)
        MsgBox("密码修改成功，修改后的密码为：" & NewPassword, _
        MsgBoxStyle.Information + MsgBoxStyle.OKOnly, "密码修改成功")
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, _
                              ByVal e As System.EventArgs) _
                              Handles Button2.Click
        Me.Close()
    End Sub
End Class