modifypassword.aspx.vb

这是用ASP.NET和SQLserver编写的购物网站的程序

Imports System.Data.SqlClient
Imports System.Data
Public Class modifypassword
    Inherits System.Web.UI.Page

#Region " Web 窗体设计器生成的代码 "

    '该调用是 Web 窗体设计器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents Button1 As System.Web.UI.WebControls.Button
    Protected WithEvents Label1 As System.Web.UI.WebControls.Label
    Protected WithEvents Label2 As System.Web.UI.WebControls.Label
    Protected WithEvents ImageButton1 As System.Web.UI.WebControls.ImageButton
    Protected WithEvents HyperLink6 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink5 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink4 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink3 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink1 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink2 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Hyperlink11 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink7 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Hyperlink8 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Hyperlink9 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Hyperlink10 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Button2 As System.Web.UI.WebControls.Button
    Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents Label4 As System.Web.UI.WebControls.Label
    Protected WithEvents Label5 As System.Web.UI.WebControls.Label
    Protected WithEvents TextBox2 As System.Web.UI.WebControls.TextBox
    Protected WithEvents Label14 As System.Web.UI.WebControls.Label
    Protected WithEvents Label3 As System.Web.UI.WebControls.Label

    '注意: 以下占位符声明是 Web 窗体设计器所必需的。
    '不要删除或移动它。
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: 此方法调用是 Web 窗体设计器所必需的
        '不要使用代码编辑器修改它。
        InitializeComponent()
    End Sub

#End Region
    Dim into As String = ConfigurationSettings.AppSettings("ConnectionString")
    Dim com As New SqlCommand
    Dim con As SqlConnection = New SqlConnection(into)

    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此处放置初始化页的用户代码
        Try
            If (Session("userpower") <> 1) Then
                Response.End()
            End If
        Catch ex As Exception
            Response.Write("您不是合法的拥护,请登录后再操作,<a href='login.aspx'>返回</a>")
            Response.End()
        End Try
        Label2.Text = "欢迎" & Session("username")
        Label2.Visible = True
        Button1.Visible = True
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Session("userpower") = -1
        Session("username") = ""
        Label2.Visible = False
        Button1.Visible = False
        Response.Redirect("webform1.aspx")
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        con.Open()
        com.Connection = con
        If TextBox1.Text <> "" And TextBox2.Text <> "" Then

            If TextBox1.Text <> TextBox2.Text Then
                Dim strscript As String = "<script language=javascript>alert('密码输入必须一致！')</script>"
                RegisterClientScriptBlock("系统消息", strscript)
            Else
                com.CommandText = "update signon set password='" & TextBox1.Text & "' where userid='" & Session("username") & "'"
                com.Connection = con
                com.ExecuteNonQuery()
                Dim strscript As String = "<script language=javascript>alert('您已成功修改密码！')</script>"
                RegisterClientScriptBlock("系统消息", strscript)
            End If
        Else
            Dim strscript As String = "<script language=javascript>alert('输入的内容不能为空！')</script>"
            RegisterClientScriptBlock("系统消息", strscript)
        End If
        con.Close()

    End Sub

    Private Sub ImageButton1_Click(ByVal sender As System.Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton1.Click
        Response.Redirect("webform1.aspx")
    End Sub
End Class