public List <Footballers> GetAllPlayers()
 {
     using (var fteamDb = new FteamDbContext()) //Veritabanı için gerekli yol tarifini değişkene atadık.
     {
         return(fteamDb.players.ToList());
     }
 }
 public Footballers GetPlayerById(int id)
 {
     using (var fteamDb = new FteamDbContext())
     {
         var player = fteamDb.players.FirstOrDefault(x => x.Id == id);
         return(player);
     }
 }
 public Footballers UpdatePlayers(Footballers footballers)
 {
     using (var fteamDb = new FteamDbContext())
     {
         fteamDb.players.Update(footballers);
         fteamDb.SaveChanges();
         return(footballers);
     }
 }
 public void DeletePlayers(int id)
 {
     using (var fteamDb = new FteamDbContext())
     {
         var deletedPlayer = GetPlayerById(id);
         fteamDb.players.Remove(deletedPlayer);
         fteamDb.SaveChanges();
     }
 }