public ActionResult DeleteConfirmed(int id)
        {
            CompaniesForUser companiesForUser = db.CompaniesForUsers.Find(id);

            db.CompaniesForUsers.Remove(companiesForUser);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        // GET: CompaniesForUsers/Delete/5
        public ActionResult Delete(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            CompaniesForUser companiesForUser = db.CompaniesForUsers.Find(id);

            if (companiesForUser == null)
            {
                return(HttpNotFound());
            }
            return(View(companiesForUser));
        }
        public ActionResult Edit(AspNetUser aspNetUser)
        {
            if (ModelState.IsValid)
            {
                AspNetUser anu = db.AspNetUsers.Find(aspNetUser.Id);

                if (anu != null)            // ha van ilyen user
                {
                    CompaniesForUser cfu = db.CompaniesForUsers.Where(d => d.UserID == aspNetUser.Id).FirstOrDefault();
                    if (aspNetUser.CompanyID != null) // ha van kiválasztva cég
                    {
                        if (cfu != null)              // ha van már ilyen bejegyzés
                        {
                            cfu.CompanyID       = aspNetUser.CompanyID.Value;
                            db.Entry(cfu).State = EntityState.Modified;
                        }
                        else // ha nincs még ilyen bejegyzés
                        {
                            cfu = new CompaniesForUser()
                            {
                                UserID = aspNetUser.Id, CompanyID = aspNetUser.CompanyID.Value
                            };
                            db.CompaniesForUsers.Add(cfu);
                            db.Entry(cfu).State = EntityState.Added;
                        }
                    }
                    else // ha nincs kiválasztva cég
                    {
                        if (cfu != null) // ha van már bejegyzés
                        {
                            db.CompaniesForUsers.Remove(cfu);
                            db.Entry(cfu).State = EntityState.Deleted;
                        }
                    }
                }
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }
            ViewBag.CompanyID = new SelectList(db.Companies, "ID", "Name", aspNetUser.CompanyID);
            return(View(aspNetUser));
        }