dropdown values lost after page reload , please help me in my coding .thanks in advance : [enter image description here][1]
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    javascript code for sending value to server through ajax[in my code , status can be different for different vulnerable name . upon choosing one status value among 3 option , stored it in database by sending value to server through ajax.but after refresh webpage, selected value is lost , i want to see selected option values even after page reloads, i am new here so unable to upload image directly please visit link once. ][1]
    enter code here
    <script>
    function statusval(value,vulname,vul_id) {
    var sv = value;
    var vn = vulname;
    var vi = vul_id;
      if (window.XMLHttpRequest) {
        xmlhttp=new XMLHttpRequest();
      } else { // code for IE6, IE5
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
      var data = "s_name=" + sv + "&v_name=" + vn + "&v_id=" + vi;
      xmlhttp.open("POST","status.php",true);
      xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      xmlhttp.send(data);
    }	
    </script>

<!-- language: lang-html -->

    <form method='post' action='status.php' id='status' >
    <select name = 'status' id='status' onchange='statusval(this.value,\"$_vulname\",\"$_vul_id\")'>
       <option value=''>Status</option>
      <option value='Open'>Open</option>
      <option value='closed'>Closed</option>
      <option value='Partially Fixed'>Partially Fixed</option>
    </select> 
    <input type='hidden' name='vulname' value='$_vulname' id='vulname'>
    <input type='hidden' name='vul_id' value='$_vul_id' id='vul_id'>
    </form>

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  [1]: https://i.stack.imgur.com/uttYG.png