public ActionResult Common()
        {
            CommonInformation info = null;

            try
            {
                info = db.CommonInformations.First();
            }
            catch (InvalidOperationException) { }
            if (info == null)
            {
                info = new CommonInformation()
                {
                    Discription = "Discription", Name = "Name"
                };
                db.CommonInformations.Add(info);
                db.SaveChanges();
            }
            return(View(info));
        }
 public ActionResult Common(CommonInformation info)
 {
     db.Entry(info).State = EntityState.Modified;
     db.SaveChanges();
     return(View(info));
 }