这个问题可以在页的路径。

它应该是在同一水平。


如果它们不处于同一水平，然后

The problem can be the path of the page.
It should be at the same level.
If they are not at the same level then

<script type="text/javascript">
     $(document).ready(function () {
          $('#div_more_pack').load('dss_more_pack.aspx');
    });  
</script>

更改

 <script type="text/javascript">
    $(document).ready(function () {
        $('#div_more_pack').load('../dss_more_pack.aspx');//exact path
    });  
 </script>

编辑1

您可以编辑你接近，看看是什么错误

$(document).ready(function () {
    $('#div_more_pack').load('dss_more_pack.aspx', function(response, status, xhr)
    {
       if (status == "error") {
          var msg = "Sorry but there was an error: ";
         alert(msg + xhr.status + " " + xhr.statusText);
     }
  );
});

编辑2： -

 $(document).ready(function () {
    $('#div_more_pack').load('dss_more_pack.aspx', function(response, status, xhr)
    {
       alert(response);
     }
  );
});