var(@new, old) = Get(Constants.WorkItemChangedDateField);
partial void Deletenew(@new instance);
partial void Updatenew(@new instance);
partial void Insertnew(@new instance);
private void detach_news(@new entity) { this.SendPropertyChanging(); entity.category = null; }
private void attach_news(@new entity) { this.SendPropertyChanging(); entity.category = this; }