Admin/Login.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.SqlClient;

public partial class Login : System.Web.UI.Page
{

    SqlHelper data = new SqlHelper();
    SqlDataReader dr;
    Alert js = new Alert();
    protected void Page_Load(object sender, EventArgs e)
    {

    }
 

    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        SqlConnection con = new SqlConnection(SqlHelper.connstring);
        con.Open();
        SqlCommand cmd = new SqlCommand("select * from Admin where  Aname='" + this.txtname.Value + "'and  Apwd='" + this.txtpwd.Value + "'", con);
        SqlDataReader sdr = cmd.ExecuteReader();
        if (sdr.Read())
        {
            Session["Admin"] = sdr["Aname"].ToString();
            Session["AdminId"] = sdr["id"].ToString();

            Response.Write("<script language='javascript'>alert('登录成功');location.href='Default.aspx'</script>");

        }

        else
        {
            Response.Write("<script language='javascript'>alert('用户名或密码错误请重新登录');location.href='login.aspx'</script>");

        }
    }
}