i am using login from this link Simple User Login Form example in ASP.Net

Login by Civilid and Password

i have 2 page users.aspx and admin.aspx

i can use the column adding Admin and user to call the page ?

so if the user login and he/she got user open page user

        protected void ValidateUser(object sender, AuthenticateEventArgs e)
        {
            int Id = 0;
            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();

                    readdataname();
                    Id = Convert.ToInt32(cmd.ExecuteScalar());
                    con.Close();

                }
                switch (Id)
                {
                    case -1:
                        Login1.FailureText = "تأكد من الرقم المدني او كلمة المرور";
                        break;
                    case -2:
                        Login1.FailureText = "Account has not been activated.";
                        break;
                    default:

                        FormsAuthentication.RedirectFromLoginPage(Login1.UserName, Login1.RememberMeSet);
                        break;
                }
            }
        }