login.aspx.cs

物业管理系统

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 admin_login : System.Web.UI.Page
{
    BaseClass bc = new BaseClass();
    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();
            valcode.Text=Label1.Text;
        
        }



    }

    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        //string user = usrname.Text;//取得用户名
        //string pwd = password.Text;//取得用户输入的密码
        string user = "admin";
        string pwd="admin";
        


        
        if (valcode.Text.ToString() != Label1.Text)
        {
            Response.Write("<script>alert('验证码错误');history.back()</script>");
            return;
        }




      
        string sqlstr = "select * from admin where UID='" + user + "' and PWD='" + pwd + "'";

        SqlDataReader mydr = bc.ExecRead(sqlstr);




        if (mydr.Read())
        {


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


            Session["adminName"] = mydr["name"].ToString();
            Session["UID"] = mydr["UID"].ToString();
            bc.Closeconn();//关闭数据库连接
            

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

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



       


    }

    protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
    {
        Response.Redirect("../default.aspx");

    }
}