xgmm.vb

不知道怎么用

Imports System.Data
Imports System.Data.SqlClient
Public Class xgmm
    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 TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents AxNiceButton1 As AxNiceFormControl.AxNiceButton
    Friend WithEvents AxNiceButton2 As AxNiceFormControl.AxNiceButton
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(xgmm))
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = 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.AxNiceButton1 = New AxNiceFormControl.AxNiceButton
        Me.AxNiceButton2 = New AxNiceFormControl.AxNiceButton
        CType(Me.AxNiceButton1, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.AxNiceButton2, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(-16, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "旧密码："
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(-16, 48)
        Me.Label2.Name = "Label2"
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "新密码："
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(-16, 80)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "确认密码："
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(96, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox1.TabIndex = 3
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(96, 48)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.TabIndex = 4
        Me.TextBox2.Text = ""
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(96, 80)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox3.TabIndex = 5
        Me.TextBox3.Text = ""
        '
        'AxNiceButton1
        '
        Me.AxNiceButton1.Location = New System.Drawing.Point(28, 120)
        Me.AxNiceButton1.Name = "AxNiceButton1"
        Me.AxNiceButton1.OcxState = CType(resources.GetObject("AxNiceButton1.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxNiceButton1.Size = New System.Drawing.Size(64, 24)
        Me.AxNiceButton1.TabIndex = 6
        '
        'AxNiceButton2
        '
        Me.AxNiceButton2.Location = New System.Drawing.Point(140, 120)
        Me.AxNiceButton2.Name = "AxNiceButton2"
        Me.AxNiceButton2.OcxState = CType(resources.GetObject("AxNiceButton2.OcxState"), System.Windows.Forms.AxHost.State)
        Me.AxNiceButton2.Size = New System.Drawing.Size(64, 24)
        Me.AxNiceButton2.TabIndex = 7
        '
        'xgmm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(232, 166)
        Me.Controls.Add(Me.AxNiceButton2)
        Me.Controls.Add(Me.AxNiceButton1)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "xgmm"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "修改密码"
        CType(Me.AxNiceButton1, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.AxNiceButton2, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region
    Public yhm As String
    'Public mm As String
    Private Shared m_Form As New xgmm
    Public Shared ReadOnly Property NewForm() As xgmm
        Get
            If m_Form Is Nothing OrElse m_Form.IsDisposed Then
                m_Form = New xgmm
            End If
            Return m_Form
        End Get
    End Property

    Private Sub AxNiceButton2_ClickEvent(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AxNiceButton2.ClickEvent
        Me.Close()
    End Sub

    Private Sub AxNiceButton1_ClickEvent(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AxNiceButton1.ClickEvent
        If Me.TextBox1.Text <> mm Then
            MsgBox("原始密码错误！")
            Me.TextBox1.Text = ""
            Me.TextBox2.Text = ""
            Me.TextBox3.Text = ""
            Me.TextBox1.Focus()
            Return
        End If
        If Me.TextBox2.Text = "" Then
            MsgBox("新密码不能为空！")
            Me.TextBox2.Text = ""
            Me.TextBox3.Text = ""
            Me.TextBox3.Focus()
            Return
        End If
        If Me.TextBox3.Text <> Me.TextBox2.Text Then
            MsgBox("两次输入的密码不同！")
            Me.TextBox2.Text = ""
            Me.TextBox3.Text = ""
            Me.TextBox2.Focus()
            Return
        End If
        Try
            Dim conn As New SqlConnection(Me.Tag)
            conn.Open()
            Dim cmd As New SqlCommand("UPDATE 用户表 set 密码='" + Me.TextBox3.Text + "' where 用户名='" & yhm & "'", conn)
            Dim reader As SqlDataReader
            reader = cmd.ExecuteReader
            conn.Close()
            MsgBox("修改成功！")
            mm = Me.TextBox2.Text
            Me.TextBox1.Text = ""
            Me.TextBox2.Text = ""
            Me.TextBox3.Text = ""
            Me.TextBox1.Focus()
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    End Sub

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

    End Sub
End Class