public T Update(T model)
 {
     dbSet.Attach(model);
     context.Entry(model).State = EntityState.Modified;
     return(model);
 }
 public ActionResult Edit(ProviderDetails provider)
 {
     entities.Entry(provider).State = EntityState.Modified;
     entities.SaveChanges();
     return(RedirectToAction("Index", "Admin"));
 }