public interface IBaseRepository<TEntity> where TEntity : BaseEntity

public  class BaseRepository<TContext, TEntity> : IBaseRepository<TEntity> where TEntity : BaseEntity, new() where TContext : DbContext, new()



public interface IUnitOfWork : IDisposable
    {
        IBaseRepository<TEntity> GetRepository<TEntity>() where TEntity : BaseEntity;
        int SaveChanges();

    }




public class UnitOfWork : IUnitOfWork
    {
 public IBaseRepository<TEntity> GetRepository<TEntity>() where TEntity : BaseEntity
        {

            return new BaseRepository<TEntity>(_context, Activator.CreateInstance(typeof(TEntity)));
        }

}