public ActionResult CustomServerBinding([DataSourceRequest(Prefix = "Grid")] DataSourceRequest request)
{
if (request.PageSize == 0)
{
request.PageSize = 10;
}
IQueryable <Order> orders = new NorthwindDataContext().Orders;
orders = orders.ApplyFiltering(request.Filters);
var total = orders.Count();
orders = orders.ApplySorting(request.Groups, request.Sorts);
orders = orders.ApplyPaging(request.Page, request.PageSize);
IEnumerable data = orders.ApplyGrouping(request.Groups);
ViewData["total"] = total;
return(View(data));
}