user/modify.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class user_modify : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack)
        {
            //修改密码
            if (Session.Contents["validate"] == null)
                Server.Transfer("getpass.aspx");
            else
            {
                string username = Session.Contents["validate"].ToString();
                Regular regex = new Regular();
                string pw1 = t_pw1.Text;
                string pw2 = t_pw2.Text;
                if (pw1 == pw2 && regex.IsPassWord(pw1))
                {
                    Md5Pw md5 = new Md5Pw();
                    SqlStore sql = new SqlStore();
                    if (sql.GetPass2(username, md5.Md5(pw1)))
                    {
                        Session.Contents["validate"] = null;
                        Session.Add("username", username);
                        Response.Write("<script type='text/javascript'>alert('密码已经修改！');location='manage.aspx';</script>");
                    }
                    else
                        Response.Write("<script type='text/javascript'>alert('修改失败，请重新尝试！');location='getpass.aspx';</script>");
                }
            }
        }
        else
        {
            //确认验证码是否有效
            if (Request.QueryString["username"] != null && Request.QueryString["validate"] != null)
            {
                Regular regex = new Regular();
                string username = Request.QueryString["username"].ToString();
                string identifyingCode = Request.QueryString["validate"].ToString();
                if (regex.IsUserName(username) && identifyingCode.Length == 64)
                {
                    Md5Pw md5 = new Md5Pw();
                    SqlStore sql = new SqlStore();
                    string validate = md5.Md5(identifyingCode.Substring(0, 32)) + identifyingCode.Substring(13, 38) + md5.Md5(identifyingCode.Substring(32, 32));
                    if (sql.GetPass1(username, validate))
                    {
                        Session.Add("validate", username);
                        Session.Timeout = 5;
                    }
                    else