set Attribute from client side doesn't work on server side

[Hardik]

I am setting custom attributes value from client side in batch edit event like this:

               

///below function call when grid go to edit mode to view mode and below code for set from list box value to grid cell value.
              function GetEditorValue(sender, args) {
                   debugger;
                   if ($(args.get_cell()).find(".RadListBox").length > 0) {
                       var lb = $find($(args.get_cell()).find(".RadListBox").attr("id"));
                       var item = lb.get_selectedItem();
                       if (item != null) {
                           args.set_cancel(true);
                           args.set_value(item.get_text());
                           var cell = args.get_cell();
                           cell.setAttribute("searchboxresult", item.get_value());
                           //args.set_value(item.get_value());
                       } else {
                           args.set_cancel(true);
                           args.set_value("");
                       }
                   }
               }

Here I have set attribute value of searchboxresult to specific value which you can see here:

<td searchboxresult="109" style="width:200px;" class="rgSelectedCell  rgBatchChanged">
    <div style="">Headlights - Dual-Beam</div>
</td>

Now When I try to access this attribute at my server side on BatchEditCommand like this:

protected void accoADEGrid_BatchEditCommand(object sender, GridBatchEditingEventArgs e)
{
            foreach (GridBatchEditingCommand command in e.Commands)
            {
                   var i = command.item.cell[9].Attribute["searchboxresult"].ToString();
            }
}

 

I am getting value of i = 0; which is not as per client value and getting unchange value of attribute which is set on ItemDataBound.