GetPwd.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
namespace MyPetShop
{
    public partial class GetPwd : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        static string str1, str2;
        protected void Button1_Click(object sender, EventArgs e)
        {
            
              ///看密保问题是否回答正确
                if (txtAns.Text!="")
               {
                   if (txtAns.Text == str1.ToString())
                   {
                       ///无白屏
                       Page.ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('您的密码为" + str2.ToString() + "');</script>");
                       //Response.Write("<script>alert('您的密码为" + str2.ToString()+ "')</script>");
                   }
                    else
                       Page.ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('答案回答错误！');</script>");
              }
            else
                    Response.Write("<script>alert('请输入答案！')</script>");
            // 下载于www.51aspx.com
        }

        protected void LinkButton1_Click(object sender, EventArgs e)
        {
            DB db = new DB();
            SqlConnection con = db.GetCon();//连接数据库
            con.Open();//打开连接
            //SqlConnection con = new SqlConnection();
            //con.ConnectionString = "Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\MyPetShop.mdf;Integrated Security=True;User Instance=True";
            //con.Open();
            SqlCommand cmd=new SqlCommand("select UserName from UserInf",con);
            SqlDataReader sdr=cmd.ExecuteReader();
            int i=0;
            ///看是否在User表里
            while(sdr.Read())
            {
                if (txtName.Text.Equals(sdr["UserName"].ToString()))
                {
                    i = 1; break;
                }
                else
                {
                    i = 0; continue;
                }
            }
            sdr.Close();