protected void btn_Click(object sender, EventArgs e)
    {
        bs.uname = uname.Text;
        bs.pwd   = pwd.Text;

        DataSet dt = new DataSet();

        dt.Tables.Add(bs.bs_login(bs));

        int p = dt.Tables[0].Rows.Count;

        if (p > 0)
        {
            //  Session["uname"] = uname.Text;
            Session["uname"] = dt.Tables[0].Rows[0]["uname"];
            Response.Redirect("home.aspx");
        }
        else
        {
            Response.Write("Login Failed");
        }
    }