data single line coming from ajax

data single line coming from ajax

why data loaded into combobox from php file is single line  ?




  1. $(document).ready(function() {
            $("#send").bind("click", function(){
                $.get("cbox6.php",function(data){
                        $("#cb").append('<option value="'+data+'">'+data+'</option>');                   
                })
            })
           
    });






  2. <select ID="cb">
              <option Value="0"> Please Select</option >
    </select>

    <input type="text"  id="txt"/>
    <button id="b1">OK</button>
    <button id="send">send</button>
    <div id="tablo"></div>






php file
  1. while ($row = mysql_fetch_array($result)) {  

            echo $row["ContactName"];
           
    }