public interface IRepository<TEntity, TKey> where TEntity : BaseEntity<TKey> where TKey : struct
    {
        TEntity GetById( TKey id );

        IQueryable<TEntity> GetAll();
    }

        
        public IQueryable<TEntity> GetAll()
        {
            return _context.Set<TEntity>().AsQueryable();
        }

        public TEntity GetById( TKey id )
        {
            return _context.Set<TEntity>().Find( id );
        }

        public IQueryable<TEntity> GetAllNoTracking()
        {
            return _context.Set<TEntity>().AsNoTracking();
        }

        public TEntity GetByIdNoTracking( TKey id )
        {
            throw new Exception( "????" );
        }

        public TEntity GetByIdNoTracking( TKey id )
        {
            return _context.Set<TEntity>().AsNoTracking().FirstOrDefault( w => w.Id == id );
        }

        public TEntity GetByIdNoTracking( TKey id )
        {
            return _context.Set<TEntity>().AsNoTracking().FirstOrDefault( w => w.Id.Equals(id) );            
        }