All Servise Base

IServiceBase.cs

public interface IServiceBase<TEntity> where TEntity : class
{
    void Add(TEntity obj);
    TEntity GetById(int id);
    IEnumerable<TEntity> GetAll();
    void Update(TEntity obj);
    void Remove(TEntity obj);
    void Dispose();
}

ServiceBase.cs

public class ServiceBase<TEntity> : IDisposable, IServiceBase<TEntity> where TEntity : class
{
    private readonly IRepositoryBase<TEntity> _repository;

    public ServiceBase(IRepositoryBase<TEntity> repository)
    {
        _repository = repository;
    }

    public void Add(TEntity obj)
    {
        _repository.Add(obj);
    }

    public TEntity GetById(int id)
    {
        return _repository.GetById(id);
    }

    public IEnumerable<TEntity> GetAll()
    {
        return _repository.GetAll();
    }

    public void Update(TEntity obj)
    {
        _repository.Update(obj);
    }

    public void Remove(TEntity obj)
    {
        _repository.Remove(obj);
    }
    
    public void Dispose()
    {
        _repository.Dispose();
    }
}