getpwd.aspx.cs

微信扫码关注公众号，代码整理好后第一时间通知你。

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.OleDb;

public partial class getpwd : System.Web.UI.Page
{
    DB dbobj = new DB(); Bind bind = new Bind(); comman com = new comman();
    protected void Page_Load(object sender, EventArgs e)
    {
        
        lblpwd.Text = "";
        lblname.Text = "";
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
       
            if (txtusername.Text.Trim() == "")
            {
                lblname.Text = "请先输入注册的用户名再查询！";
            }
            else
            {
                OleDbConnection con0 = dbobj.GetConnection();
                con0.Open();
                string sql0 = "select * from hy where username='" + txtusername.Text.Trim() + "'";
                OleDbCommand cmd0 = new OleDbCommand(sql0, con0);
                OleDbDataReader dr0 = cmd0.ExecuteReader();

                if (dr0.Read())
                {
                    lblpwd.Text =" 您的密码是："+dr0["pwd"].ToString();
                }
                else
                {
                    lblpwd.Text = "对不起，没有找到您要查询的用户名！";
                }
                con0.Close();
            }
       
       
    }
}