login.aspx.cs

很好的毕业设计拿了可以直接用

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
{
    DB db = new DB();//初始化数据库类
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string name, psword;
        name = this.TextBox1.Text.ToString();
        psword = this.TextBox2.Text.ToString();
        //选择不同身份进行登陆，跳转到响应页面
       if (this.RadioButton1.Checked)//第一个按钮响应
        {　//管理员身份
            
            string strsql = "select count(*) from admin where name='" + name + "'and psw='" + psword + "'";
            int b = Convert.ToInt32(db.executeGetReturn(strsql));
            if (b == 0)
            {
                Response.Write("<script> alert('用户名和密码错误！')</script>");
            }
            else
            {
                if (TextBox3.Text == Session["CheckCode"].ToString())
                {

                    //Response.Write("<script> alert('管理员登陆成功！')</script>");
                    Response.Redirect("delete.aspx?admin="+this.TextBox1.Text.ToString());
                }
                else
                {
                    Response.Write("<script> alert('验证码错误，请重新输入验证码！')</script>");

                }
            }




        }
        if (this.RadioButton2.Checked)
        {　//客户身份


            string str = "select count(*) from guest where name='" + name + "'and psw='" + psword + "'";
            int b = Convert.ToInt32(db.executeGetReturn(str));
            if (b == 0)
            {
                Response.Write("<script> alert('用户名和密码错误！')</script>");
            }
            else
            {
                if (TextBox3.Text == Session["CheckCode"].ToString())
                {

                    //Response.Redirect("<script> alert('客户登陆成功！')</script>");
                    Response.Redirect("guest.aspx?guest="+this.TextBox1.Text.ToString());
                }
                else
                {
                    Response.Write("<script> alert('验证码错误，请重新输入验证码！')</script>");

                }
            }



        }
    }
}