GridDefaultSort.cs

public ActionResult Sorting(GridSortOptions sort) 
{
	// If there's no sort option specifed, then default to sorting on the Name column.
	if(string.IsNullOrEmpty(sort.Column)) {
		sort = new GridSortOptions { Column = "Name" };
	}

	ViewData["sort"] = sort;

	var people = _peopleFactory.CreatePeople().OrderBy(sort.Column, sort.Direction);

	return View(people);
}