public JsonResult Get_HocSinhMoi(string tungay, string denngay)
{
var tn = DateTime.Parse(tungay);
var dn = DateTime.Parse(denngay);
var model = db.BAOCAO_APAX_DS_HOCSINHMOI(tn, dn).ToList();
var json = Json(model, JsonRequestBehavior.AllowGet);
json.MaxJsonLength = int.MaxValue;
return(json);
}