Переинициализировать таблицу Datatebles при её обновлении

function loadPosts(tableId, onSuccess) { 
  $.ajax( { 
    url: "/api/post/getfiltered", method: "POST", data: JSON.stringify( {} 
    ), contentType: "application/json; charset=utf-8", success: function (result) { 
      if ($.fn.DataTable.isDataTable('#'+tableId)) { 
        $('#'+tableId).dataTable().destroy(); 
      } 
      $('#' + tableId).dataTable( { 
        data: preparePostsTableData(result.data), columns: [ { 
          searchable: false 
        } 
        , null, { 
          render: function (data, type, row, meta) { 
            return new Date(data).toLocaleString() 
          } 
        } 
        , null, null, { 
          render: function (data, type, row, meta) { 
            return formatStatus(data); 
          } 
        } 
        , { 
          visible: false 
        } 
        , { 
          className: 'no-wrap', orderable: false, render: function (data, type, row, meta) { 
            return formatActions(data.id, data.blockReason, data.shortText, data.tags); 
          } 
        } 
        ] 
      } 
      ); 
    } 
  } 
  ) 
} 
 
function editPost(id, shortText, tags) { 
  $('#modal')[0].style.display='block'; 
  $('#pstText').val(shortText); 
  $('#pstTags').val(tags); 
  $('#idText').val(id); 
} 
 
function saveChange() { 
  var id=$('#idText').val(); 
  var shortText=$('#pstText').val(); 
  var tags=$('#pstTags').val(); 
  $.ajax( { 
    url: "/api/post/", method: "PUT", contentType: "application/json; charset=utf-8", data: JSON.stringify( { 
      id: id, shortText: shortText, tags: tags 
    } 
    ), success: function (result) { 
      $('#tblUsers').dataTable( { 
        data: preparePostsTableData(result.data) 
      } 
      ); 
    } 
  } 
  ) $('#modal')[0].style.display='none'; 
} 
 
$(document).ready(function () { 
  loadPosts("tblPosts", function () {} 
  ); 
} 
 
);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script> 
<table id="tblPosts" data-order='[[ 1, "asc" ]]' data-page-length='25'> 
  <thead> 
    <tr> 
      <th>ID</th> 
      <th>Author</th> 
      <th>Date</th> 
      <th>Text</th> 
      <th>Tags</th> 
      <th data-class-name="priority">Status</th> 
      <th>isActive</th> 
      <th data-formatter="formAction">Actions</th> 
    </tr> 
  </thead> 
  <tfoot> 
    <tr> 
      <th>ID</th> 
      <th>Author</th> 
      <th>Date</th> 
      <th>Text</th> 
      <th>Tags</th> 
      <th data-class-name="priority">Status</th> 
      <th>isActive</th> 
      <th data-formatter="formAction">Actions</th> 
    </tr> 
  </tfoot> 
</table> 
 
<div id="modal"> 
  <div class="overlay"></div> 
  <div class="visible"> 
    <h2>Edit</h2> 
    <div class="content"> 
      <div class="form-group" style="display:none;"> 
        <label for="idText">Id:</label> 
        <input type="text" class="form-control" id="idText"> 
      </div> 
      <div class="form-group"> 
        <label for="pstText">Text:</label> 
        <input type="text" class="form-control" id="pstText"> 
      </div> 
      <div class="form-group"> 
        <label for="pstTags">Tags:</label> 
        <input type="text" class="form-control" id="pstTags"> 
      </div> 
    </div> 
    <div class="controlElems"> 
      <button type="button" class="btn btn-outline-success btnSave" onclick="saveChange()"> Save <i class="fa fa-save" aria-hidden="true"></i></button> 
      <button type="button" class="btn btn-outline-primary btnClose" onClick="closeChanges()">Close <i class="fa fa-close" aria-hidden="true"></i> </button> 
    </div> 
  </div> 
</div> 
 
<script type="text/javascript"> 
</script>