defaultlogin.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;

//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)

public partial class defaultlogin : System.Web.UI.Page
{
    BaseClass bc = new BaseClass();
    protected void Page_Load(object sender, EventArgs e)
    {
            if (Session["code"] == null)
            {
                panel1.Visible = true;
                panel2.Visible = false;
               
               
            }
            else
            {
                if (Session["Name"] != "")
                {
                    Label1.Text = Session["Name"].ToString();
                    Label1.Visible = true;
                }
                panel1.Visible = false;
                panel2.Visible = true;
            }
       
        
    }

    protected void btnLogin_Click(object sender, EventArgs e)
    {
        string imagecode = Session["checkCode"].ToString().ToLower();//取得验证码
        string username = txtUserName.Text.Trim().ToString();
        string password = txtPassword.Text.Trim().ToString();;
        string checkcode = txtcheckcode.Text.Trim().ToLower() ;
        if (checkcode !=imagecode)
        {
            Response.Write("<script>alert('验证码错误');history.back()</script>");
            return;
        }


        
       
       

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

        SqlDataReader mydr = bc.ExecRead(sqlstr);


        

            if (mydr.Read())
            {


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



                Session["code"] = mydr["code"].ToString();
                Session["Name"] = mydr["Name"].ToString();
               
                panel1.Visible = false;
                panel2.Visible = true;

               
            }

            else
            {
                 Response.Write("<br/><font size='2'>　用户名或密码错误,<a href='defaultlogin.aspx'>返回</a></font>");
                 Response.End();
            }
        
     
       
            bc.Closeconn();
       
        
       


    
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        Session["code"] = "";
        Response.Redirect("defaultlogin.aspx");
        
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Session.Remove("code");
        Response.Redirect("defaultlogin.aspx");
    }
}