get id of drag gable row from grid view

hi

please tell me how to get the of draggable row from grid view.i want this id to update my data base table with new pattren ,i paste my code below please try to  give possible solution ,it will be great favour

 <script type="text/javascript">
          var a = true;
          $(function () {
              $("#GridView1,#GridView2").sortable({
                  items: 'tr:not(tr:first-child)',
                  cursor: 'crosshair',
                  connectWith: '#GridView2',
                  axis: 'y',
                  dropOnEmpty: true,
                  opacity: 0.6,
                  revert: true,
                  receive: function (e, ui) {
                      $(this).find("tbody").append(ui.item);
                     



                  }
              });
          });
         
      </script>