Role based Authentication using multiple tables in ASP.Net

hello , 

I am following this link

i can use the login for  2 Table users ?

i have Table_infoname with 170 users and i have Table_users with 10 users

can i make them same login  page  or i need make 2 x login with  radio list or dropdownlist 

 <asp:Login ID = "Login1" runat = "server" OnAuthenticate= "ValidateUser" BackColor="#E4E4E4" BorderStyle="Solid" BorderWidth="2px" Font-Names="Arial" Font-Size="Large" Height="257px" Width="450px" CssClass="auto-style7" Font-Bold="True" LoginButtonText="دخول" PasswordLabelText="كلمة المرور:" TitleText="تسجيل الدخول" UserNameLabelText="الرقم المدني:" RememberMeText="login" FailureText="تأكد من الرقم المدنى / كلمة المرور" DisplayRememberMe="False">
    <LoginButtonStyle BackColor="#0E5297" Font-Bold="True" Font-Names="Arial" Font-Size="X-Large" Width="100%" ForeColor="White" />
    <TextBoxStyle Height="20px" Width="300px" />
    <TitleTextStyle BackColor="#2070A6" Font-Bold="True" ForeColor="#FFFFFF" />
</asp:Login>

C# 

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Page.User.Identity.IsAuthenticated)
                {
                    FormsAuthentication.SignOut();
                    Response.Redirect("~/Login.aspx");
                }
            }
        }

        protected void ValidateUser(object sender, EventArgs e)
        {
            readdataname();
            string IpassAstringfrompage1 = Convert.ToString(Session["Name"]);

            int Id = 0;
            string roles = string.Empty;
            string constr = ConfigurationManager.ConnectionStrings["kankonConnectionString"].ConnectionString;
            using (SqlConnection con = new SqlConnection(constr))
            {
                using (SqlCommand cmd = new SqlCommand("Validate_User"))
                {
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.AddWithValue("@civilid", Login1.UserName);
                    cmd.Parameters.AddWithValue("@Password", Login1.Password);
                    cmd.Connection = con;
                    con.Open();
                    SqlDataReader reader = cmd.ExecuteReader();
                    reader.Read();
                    Id = Convert.ToInt32(reader["Id"]);
                    roles = reader["Roles"].ToString();
                    con.Close();
                }
                switch (Id)
                {
                    case -1:
                        Login1.FailureText = "Username and/or password is incorrect.";
                        break;
                    case -2:
                        Login1.FailureText = "Account has not been activated.";
                        break;
                    default:
                        FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, IpassAstringfrompage1, DateTime.Now, DateTime.Now.AddMinutes(2880), Login1.RememberMeSet, roles, FormsAuthentication.FormsCookiePath);
                        string hash = FormsAuthentication.Encrypt(ticket);
                        HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hash);

                        if (ticket.IsPersistent)
                        {
                            cookie.Expires = ticket.Expiration;
                        }
                        Response.Cookies.Add(cookie);
                        Response.Redirect(FormsAuthentication.GetRedirectUrl(IpassAstringfrompage1, Login1.RememberMeSet));
                        break;
                }
            }
        }