form10.vb

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Imports System.Data.SqlClient
'引入ADO.NET操作命名空间
Public Class Form10
    Inherits System.Windows.Forms.Form

#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 Label4 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 TextBox4 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()
        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.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(56, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "用户名："
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(24, 64)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(56, 16)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "原密码："
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(24, 104)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(56, 16)
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "新密码："
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(24, 144)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(72, 16)
        Me.Label4.TabIndex = 3
        Me.Label4.Text = "确认密码："
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(104, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(104, 21)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(104, 56)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.Size = New System.Drawing.Size(104, 21)
        Me.TextBox2.TabIndex = 5
        Me.TextBox2.Text = ""
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(104, 96)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox3.Size = New System.Drawing.Size(104, 21)
        Me.TextBox3.TabIndex = 6
        Me.TextBox3.Text = ""
        '
        'TextBox4
        '
        Me.TextBox4.Location = New System.Drawing.Point(104, 136)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox4.Size = New System.Drawing.Size(104, 21)
        Me.TextBox4.TabIndex = 7
        Me.TextBox4.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(32, 184)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(56, 24)
        Me.Button1.TabIndex = 8
        Me.Button1.Text = "确定"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(136, 184)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(56, 24)
        Me.Button2.TabIndex = 9
        Me.Button2.Text = "取消"
        '
        'Form10
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(232, 221)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox4)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form10"
        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 TextBox3.Text <> TextBox4.Text Then
            MsgBox("输入密码不一致！", vbOKOnly + vbExclamation, "警告")
            Exit Sub
        End If

        Dim tablename As String
        tablename = "userID"  '表的名称
        SearchSQL = "SELECT 用户名, 密码 FROM userID WHERE 用户名 = '" & TextBox1.Text & "'"

        Module1.ExecuteSQL(SearchSQL, tablename)  '查询函数
        If Module1.myrow.Item(1) = TextBox2.Text Then  '比较输入密码和数据库的密码
            Module1.myrow.Item(1) = TextBox3.Text
            'Module1.mytable.GetChanges()
            Module1.cmd = New SqlCommandBuilder(Module1.ADOcmd)
            '使用自动生成的SQL语句 
            Module1.ADOcmd.Update(Module1.ds, tablename)
            '对数据库进行更新
            MsgBox("密码修改成功！", vbOKOnly + vbExclamation, "警告")
            Me.Hide()
        Else
            MsgBox("密码错误或不存在该用户！", vbOKOnly + vbExclamation, "警告")
            Exit Sub
        End If
    End Sub

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