login.aspx.cs

后台管理模块有：小区管理、设备管理、楼盘管理、收费管理、停车管理、用户管理 小区基本信息 添加周边设施 编辑周边设施 添加公告 编辑公告 楼盘信息添加 编辑楼盘信息 房产信息添加 房产信息查

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 login : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Random validateN = new Random();
            this.Label1.Text = validateN.Next(9).ToString() + validateN.Next(9).ToString() + validateN.Next(9).ToString() + validateN.Next(9).ToString();

        }



    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        string username = user.Text.ToString();
        string password = pwd.Text.ToString();
        if (check.Text.ToString() != Label1.Text)
        {
            Response.Write("<script>alert('验证码错误');history.back()</script>");
            return;
        }


        
       
        BaseClass bs = new BaseClass();

        string sqlstr = "select * from homeHold where uid='" + username + "' and password='" + password + "'";

        SqlDataReader mydr = bs.ExecRead(sqlstr);


        

            if (mydr.Read())
            {


                //Response.Write(mydr["ownerID"].ToString());
                //Response.End();



                Session["code"] = mydr["code"].ToString();

                Response.Redirect("web/default.aspx");
            }

            else
            {
                Response.Write("<script>alert('用户名或者密码错误，请重新输入！');history.back()</script>");
                return;
            }
        
     
       
            bs.Closeconn();
       
        
       

    }
}