I ate my two days on this staff but also i solve this problem.
The Telerik MVC Grid has some ClientEvents . The OnSave is the answer of my question.
Because when you use OnSave you can reach that rows all data with this event. Here is the
blog http://www.telerik.com/help/aspnet-mvc/telerik-ui-components-grid-client-api-and-events.html#OnSave
And this is my example
function onsave(e) {
var values = e.values;
var dataItem = e.dataItem;
var cur = parseInt(values.LoadAmount);
var total = cur + dataItem.TotalAmount;
e.cell.nextSibling.innerText = total;
}
Take Care