public ActionResult AllCategories()
{
var cate = new List<Category>();
var quer = from i in db.Categorys
orderby i.Name
select i;
cate.AddRange(quer.Distinct());
ViewBag.ListType = new SelectList(cate);
var serializer = new JavaScriptSerializer();
var serializedResult = serializer.Serialize(quer);
return Json(serializedResult, JsonRequestBehavior.AllowGet);
}