Backup/Project/Admin/Login.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using DAL;
using System.Data.SqlClient;

namespace Project.Admin
{
    /// <summary>
    /// 2019年4月27日
    /// 登录
    /// </summary>
    public partial class Login : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnLogin_Click(object sender, EventArgs e)
        {
            string sql = "select * from t_user where username='" + this.txtUserName.Value.Trim()+ "@xing.com' and password='" + this.txtPwd.Value.Trim() + "'";
            SqlDataReader dr = DbHelperSQL.ExecuteReader(sql);
            if (dr.Read())
            {
                Session["UserId"] = dr["Id"].ToString();
                Session["Name"] = dr["UserName"].ToString();
                Response.Redirect("index.aspx");
            }
            else
            {

                MessageBox.ShowAndRedirect(this, "用户名或密码错误！", "Login.aspx");
            }
        }
    }
}