public bool CheckIfNameExists(string name, int?id = null) { if (string.IsNullOrWhiteSpace(name)) { throw new ArgumentException(Constant.Validation.CantBeNullOrEmpty(nameof(name))); } if (id.HasValue && id.Value <= 0) { throw new ArgumentException(Constant.Validation.InvalidArgument(nameof(id))); } return(id.HasValue ? _taskTypeRepository.Query().Any(t => t.Name == name && t.Id != id.Value) : _taskTypeRepository.Query().Any(t => t.Name == name)); }