login.aspx.cs

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using System;
using System.Data;
using System.Data.SqlClient;
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;

namespace novel.manage
{
    public partial class login : System.Web.UI.Page
    {
        DB_Class pbc = new DB_Class();
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void button_Login_Click(object sender, EventArgs e)
        {
            SqlDataReader dr = pbc.Reader("select * from novel_user1 where username='" + Text_User.Text + "'and password='" + Text_PassWord.Text + "'");
            if (dr.Read())
            {
                Session["userid"] = dr["serial"].ToString().Trim();
                Response.Redirect("../userInfo.aspx");
            }
            else
            {
                Response.Write("<script>alert('用户或密码错误');</script>");
            }
            dr.Close();
        }
    }
}