Jquery UI,Dialog,Ajax

$("#dialog").dialog({
      resizable: false,
      height:140,
      width:200,
      modal: true,
      buttons: {
        "确定删除": function() {
          $.ajax({
  type: 'POST',
  url: "${base}/userCenter/removeMarketInfo.jspx",
  data: {"id":id},
  success: function(){
      },
  dataType: 'json'//服务器返回内容格式
});
  $( this ).dialog( "close" );
        },
        Cancel: function() {
          $( this ).dialog( "close" );
        }
          }
       });