getbackpass.aspx.cs

这是一个会员管理系统,有管理员与会员的两种权限,基于VS2005和SQL2000上进行的开发,适合初学者.

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;
using System.Data.SqlClient;
public partial class getbackpass : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void btn_submit_Click(object sender, EventArgs e)
    {
        this.tbx_username.ReadOnly = true;
        if (this.txb_answer.Text == Session["Uanswer"].ToString())
        {
            this.lbl_message.Text = "你的密码是:" + Session["Upassword"].ToString();
        }
        else
        {
            this.Panel1.Visible = true;
            this.btn_submit.Enabled = true;
            this.lbl_message.Text = "你输入的问题回答不正确,请重试!";
        }

    }
    protected void tbx_username_TextChanged(object sender, EventArgs e)
    {
        string strconn = ConfigurationManager.ConnectionStrings["MMSConnectionString"].ConnectionString.ToString();
        SqlConnection sc = new SqlConnection(strconn);
        sc.Open();
        string mysql="select * from Users where Uid='"+this.tbx_username.Text+"'";
        SqlCommand scd = new SqlCommand(mysql, sc);
        SqlDataReader sdr = scd.ExecuteReader();
        if (sdr.Read())
        {
            this.Panel1.Visible = true;
            this.txb_question.Text = sdr["UQuestion"].ToString();
            Session["Uanswer"] = sdr["Uanswer"].ToString();
            Session["Upassword"] = sdr["upassword"].ToString();
            lbl_message.Text = "请按要求回答案问题";
            this.btn_submit.Enabled = true;

        }
         else
            {
                lbl_message.Text="对不起,你输入的用户名有误,请重新输入";
            }

    }
}