public ActionResult CompanyEdit(dt_company com)
        {
            if (ModelState.IsValid)
            {

                if (db.dt_company.Where(a => a.companyname == com.companyname && a.ID != com.ID).FirstOrDefault() == null)
                {
                    var company = db.dt_company.Where(a => a.ID == com.ID).FirstOrDefault();
                    company.parentID = com.parentID;
                    company.productArea = com.productArea;
                    company.tel = com.tel;
                    company.date = com.date;
                    company.companyname = com.companyname;
                    company.adress = com.adress;
                    db.SaveChanges();
                    TempData["message"] = "1";
                }
                else
                {
                    TempData["message"] = "0";
                }
            }
            SirketGoster(com.ID, com.parentID);
            return View(com);
        }
 public ActionResult CompanyCreate(dt_company company)
 {
     if (ModelState.IsValid)
     {
         var user = db.dt_company.Where(a => a.companyname == company.companyname).FirstOrDefault();
         if (user == null)
         {
             db.dt_company.AddObject(new dt_company
             {
                 companyname = company.companyname,
                 active = 1,
                 adress = company.adress,
                 tel = company.tel,
                 productArea = company.productArea,
                 parentID = company.parentID,
                 date = company.date
             });
             db.SaveChanges();
             TempData["message"] = "1";
         }
         else
         {
             TempData["message"] = "0";
         }
     }
     SirketGoster();
     return View(company);
 }