/// <summary> /// Удалить характеристику /// </summary> /// <param name="specification"></param> public void RemoveSpecification(GroupSpecification specification) { if(specification!=null && specifications.Contains(specification)) { specifications.Remove(specification); } }
public void AddSpecification(GroupSpecification specification) { if (specifications.All(f => f.Specification.Id != specification.Id)) { specification.Group = this; specifications.Add(specification); } }