public Task <IActionResult> GetEntitiesByPaged(int pageSize, int pageIndex)
{
return(Task.Factory.StartNew <IActionResult>(() =>
{
var total = ManagerRepository.Count(m => true);
var rows = ManagerRepository.GetByPagination(m => true, pageSize, pageIndex, true,
m => m.Id).ToList();
return Json(PaginationResult.PagedResult(rows, total, pageSize, pageIndex));
}));
}