Masketinput Telefon Formatına Çevirme

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" type="text/javascript"></script>
 <script type="text/javascript" src="../Scripts/WebForms/maskedinput-1.3.min.js"></script>

        <script type="text/javascript">

            $(document).ready(function () {
                $("#telefontb").mask("(999) 999-99-99");
            })
           
 </script>
 <input id="telefontb" type="text" class="form-control" />