(T entity, Expression> updateFileds = null, bool beginTransaction = false);
/// entities, Expression> updateFileds = null, bool beginTransaction = false...(T entity, Expression> updateFileds = null, bool beginTransaction = false);
///...(T entity, Expression> addFileds = null, bool beginTransaction = false)
{...(IEnumerable entities, Expression> addFileds = null, bool beginTransaction = true)